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.

Patents

  1. Advanced Patent Search
Publication numberUSD311789 S
Publication typeGrant
Application numberUS 07/240,042
Publication dateOct 30, 1990
Filing dateSep 2, 1988
Publication number07240042, 240042, US D311789 S, US D311789S, US-S-D311789, USD311789 S, USD311789S
InventorsRichard Villarreal, Yvonne A. Villarreal
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Protective mask
US D311789 S
Abstract  available in
Images(3)
Previous page
Next page
Claims(1)
  1. The ornamental design for a protective mask, as shown and described.
Description

FIG. 1 is a front elevational view of a protective mask showing our 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.

Classifications
U.S. ClassificationD24/110.2