Laser gunsight system for a firearm handgrip

1. A laser sighting device for mounting on the handgrip of a firearm, the handgrip having a front, a back, and two opposing sides, the device comprising:

a holder having a jacket shaped to conform to the shape of a portion of the handgrip and to wrap around the back and over respective portions of the two sides part way toward the front thereof such that the firearm may be held in a firing position by the handgrip with the device attached thereto, said holder further having a first compartment for receiving a laser and holding the laser so as to propagate a beam of light substantially in the muzzle direction of the firearm, and a second compartment for receiving a battery to power the laser;

a switch, disposed in said holder, for activation of said laser by the user's hand holding the handgrip in firing position;

an electrical circuit disposed within said holder for interconnecting a laser disposed in the first compartment, a battery disposed in the second compartment and said switch, said holder, and said circuit comprising a self contained assembly that may be attached to the handgrip, said circuit comprising a membrane circuit; and

a mechanism for engaging said holder and the handgrip so as to secure said holder to the handgrip.

2. The device of claim 1, wherein said jacket has an interior surface conforming to the shape of a firearm handgrip, and said membrane circuit is disposed conforming along said interior surface.

3. A laser sighting device for mounting on the handgrip of a firearm, the handgrip having a front, a back, and two opposing sides, the device comprising:

a holder having a jacket shaped to conform to the shape of a portion of the handgrip and to wrap around the back and over respective portions of the two sides part way toward the front thereof such that the firearm may be held in a firing position by the handgrip with the device attached thereto, said holder further having a first compartment for receiving a laser and holding the laser so as to propagate a beam of light substantially in the muzzle direction of the firearm, and a second compartment for receiving a battery to power the laser;

a switch, disposed in said holder, for activation of said laser by the user's hand holding the handgrip in firing position;

an electrical circuit disposed within said holder for interconnecting a laser disposed in the first compartment, a battery disposed in the second compartment and said switch, said holder, and said circuit comprising a self contained assembly that may be attached to the handgrip; and

a pin for engaging said holder and the handgrip so as to secure said holder to the handgrip.

4. A laser sighting device for mounting on the handgrip of a firearm, the handgrip having a front, a back, and two opposing sides, the device comprising:

a holder having a jacket shaped to conform to the shape of a portion of the handgrip and to wrap around the back and over respective portions of the two sides part way toward the front thereof such that the firearm may be held in a firing position by the handgrip with the device attached thereto, said holder further having a first compartment for receiving a laser and holding the laser so as to propagate a beam of light substantially in the muzzle direction of the firearm, and a second compartment for receiving a battery to power the laser;

a switch, disposed in said holder, for activation of said laser by the user's hand holding the handgrip in firing position, said switch being imbedded in said jacket and said jacket including a flexible membrane disposed over the switch for activation thereof by pressure on said membrane from the hand of a user;

an electrical circuit disposed within said holder for interconnecting a laser disposed in the first compartment, a battery disposed in the second compartment and said switch, said holder, and said circuit comprising a self contained assembly that may be attached to the handgrip; and

a mechanism for engaging said holder and the handgrip so as to secure said holder to the handgrip.

5. A laser sighting device for mounting on the handgrip of a firearm, the handgrip having a front, a back, and two opposing sides, the device comprising:

a holder having a jacket shaped to conform to the shape of a portion of the handgrip and to wrap around the back and over respective portions of the two sides part way toward the front thereof such that the firearm may be held in a firing position by the handgrip with the device attached thereto, said holder further having a first compartment for receiving a laser and holding the laser so as to propagate a beam of light substantially in the muzzle direction of the firearm, and a second compartment for receiving a battery to power the laser said holder comprising a backstrap of a handgrip adapted to be releasably attached to a firearm said holder comprising a backstrap of a handgrip adapted to be releasably attached to a firearm;

a switch, disposed in said holder, for activation of said laser by the user's hand holding the handgrip in firing position;

an electrical circuit disposed within said holder for interconnecting a laser disposed in the first compartment, a batten disposed in the second compartment and said switch, said holder, and said circuit comprising a self contained assembly that may be attached to the handgrip, said circuit comprising a membrane circuit; and

a mechanism for engaging, said holder and the handgrip so as to secure said holder to the handgrip.

6. A laser sighting device for mounting on the handgrip of a firearm, comprising:

a holder conforming to the shape of and adapted to attach to the handgrip of the firearm such that the firearm may be held in a firing position by the handgrip with the device attached thereto, said holder comprising a jacket for placement over a part of the existing handgrip and including a first compartment for receiving a laser and holding the laser so as to propagate a beam of light substantially in the muzzle direction of the firearm, and a second compartment for receiving a battery to power the laser;

a switch, disposed in the holder, for activation of said laser by the user's hand holding the handgrip, in firing position; and

an electrical circuit, disposed within said holder for interconnecting a laser disposed in the first compartment, a battery disposed in the second compartment and said switch, said holder, and said circuit comprising a self contained assembly that may be attached to the handgrip, said circuit comprising a membrane circuit.

7. The device of claim 6, wherein said jacket has an interior surface conforming to the shape of the firearm handgrip, and said membrane circuit is disposed conforming along said interior surface.

8. A laser sighting device for mounting on the handgrip of a firearm, comprising:

a holder conforming to the shape of and adapted to attach to the handgrip of the firearm such that the firearm may be held in a firing position by the handgrip with the device attached thereto, said holder comprising a jacket for placement over a part of the existing handgrip and including a first compartment for receiving a laser and holding the laser so as to propagate a beam of light substantially in the muzzle direction of the firearm, and a second compartment for receiving a battery to power the laser, said jacket being attachable to said handgrip by a pin;

a switch, disposed in said holder, for activation of said laser by the user's hand holding the handgrip in firing position; and

an electrical circuit, disposed within said holder for interconnecting a laser disposed in the first compartment, a battery disposed in the second compartment and said switch, said holder, and said circuit comprising a self contained assembly that may be attached to the handgrip.

9. A laser sighting device for mounting on the handgrip of a firearm, comprising:

a holder conforming to the shape of and adapted to attach to the handgrip of the firearm such that the firearm may be held in a firing position by the handgrip with the device attached thereto, said holder comprising a jacket for placement over a part of the existing handgrip and including a first compartment for receiving a laser and holding the laser so as to propagate a beam of light substantially in the muzzle direction of the firearm, and a second compartment for receiving a battery to power the laser;

a switch, disposed in the holder, for activation of said laser by the user's hand holding the handgrip in firing position, said switch being embedded in said jacket and said jacket including a flexible membrane disposed over said switch for activation thereof by pressure on said membrane from the hand of the user; and

an electrical circuit, disposed within the holder for interconnecting a laser disposed in the first compartment, a battery disposed in the second compartment and said switch, said holder, and said circuit comprising a self contained assembly that may be attached to the handgrip.

10. A laser sighting device for mounting on the handgrip of a firearm, comprising:

a holder conforming to the shape of and adapted to attach to the handgrip of the firearm such that the firearm may be held in a firing position by the handgrip with the device attached thereto, said holder including a first compartment for receiving a laser and holding the laser so as to propagate a beam of light substantially in the muzzle direction of the firearm and a second compartment for receiving a battery to power the laser, said holder comprising a backstrap of a handgrip adapted to be releasably attached to a firearm;

a switch, disposed in said holder, for activation of said laser by the user's hand holding the handgrip in firing position; and

an electrical circuit disposed within the holder for interconnecting a laser disposed in the first compartment, a battery disposed in the second compartment and said switch, said holder, and said circuit comprising a self contained assembly that may be attached to the handgrip, said circuit comprising a membrane circuit.

11. A laser sighting device for mounting on the handgrip of a firearm, the handgrip having an upper portion, the device comprising:

a holder conforming to the shape of and adapted to attach to the handgrip of the firearm such that the firearm may be held in a firing position by the handgrip with the device attached thereto, the holder including a first compartment for receiving a laser and holding the laser so as to propagate a beam of light substantially in the muzzle direction of the firearm, and a second compartment for receiving a battery to power the laser, said holder further comprising a jacket for placement over a part of the existing handgrip and having an upper portion that wraps around the upper portion of the back of the handgrip;

a switch, disposed in said holder, for activation of said laser by the user's hand holding the handgrip in firing position; and

an electrical circuit, disposed within said holder for interconnecting a laser disposed in the first compartment, a battery disposed in the second compartment and said switch, said holder, and said circuit comprising a self contained assembly that may be attached to the handgrip, the switch being disposed on the interior of the jacket within the upper portion thereof, said circuit comprising a membrane circuit.