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Publication numberUSD421301 S
Publication typeGrant
Application numberUS 29/090,933
Publication dateFeb 29, 2000
Filing dateJul 20, 1998
Publication number090933, 29090933, US D421301 S, US D421301S, US-S-D421301, USD421301 S, USD421301S
InventorsJoseph G. Reischel, Michael J. Bartholomew, David P. Knivsland
Original Assignee3M Innovative Properties Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Two position pressure demand inlet port adaptor
US D421301 S
Abstract  available in
Images(7)
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Claims(1)
  1. The ornamental design for a two position pressure demand inlet port adaptor, as shown and described.
Description

FIG. 1 is a perspective view of a two position pressure demand inlet port adaptor, showing the new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right-side elevational view thereof.

FIG. 5 is a left-side elevational view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a perspective view of a second embodiment of a two position pressure demand inlet port adaptor, showing the new design.

FIG. 9 is a front elevational view of the second embodiment shown in FIG. 8. The rear right side, left side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.

FIG. 10 is a perspective view of a third embodiment of a two position pressure demand inlet port adaptor, showing the new design.

FIG. 11 is a front elevational view of the third embodiment shown in FIG. 10. The rear right side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.

FIG. 12 is a perspective view of a fourth embodiment of a two position pressure demand inlet port adaptor, showing the new design; and,

FIG. 13 is a front elevational view of the fourth embodiment shown in FIG. 12. The rear right side, left side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.

The broken lines shown in the drawings form no part of the claimed design. The shading shown in the drawings is provided merely to indicate the contour of the design; it is not intended to be indicative of any particular texture.

Non-Patent Citations
Reference
13M™ Continuous Flow Systems Marix product literature (Jun. 1998).
2Cabot Safety AOSafety™ Respiratory Products product literature.
3ISI Asbestos Respiratory Protection product literature.
4Kasco Venus product literature.
5LifeAir™ 1500 product literature.
6North Chemical Protection product literature.
7Omnistar™ Respirator System product literature.
8Pro-Tech Cosmo™ product literature (May 1997).
9Survivair Air Purifying Respirators product literature.
10Willson Safety Products 6000 Series Supplied Air Line product literature.
Classifications
U.S. ClassificationD24/110.6, D24/110