Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD309509 S
Publication typeGrant
Application numberUS 07/051,820
Publication dateJul 24, 1990
Filing dateMay 20, 1987
Publication number051820, 07051820, US D309509 S, US D309509S, US-S-D309509, USD309509 S, USD309509S
InventorsWilliam R. Mast
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US D309509 S
Abstract  available in
Previous page
Next page
  1. The ornamental design for a helmet, as shown and described.

FIG. 1 is a front elevational view of a helmet showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

U.S. ClassificationD29/103