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Publication numberUSD270957 S
Publication typeGrant
Application numberUS 06/439,948
Publication dateOct 11, 1983
Filing dateNov 8, 1982
Publication number06439948, 439948, US D270957 S, US D270957S, US-S-D270957, USD270957 S, USD270957S
InventorsRichard D. Maryyanek, Joseph Z. Zdrok
Original AssigneeAmerican Optical Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US D270957 S
Abstract  available in
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  1. The ornamental design for a respirator, as shown.

FIG. 1 is a front elevational view of the respirator embodying our new design;

FIG. 2 illustrates the respirator in rear perspective;

FIG. 3 is a view of one side of the respirator, the opposite side being of substantially the same appearance;

FIG. 4 is a top plan view of the respirator; and

FIG. 5 is a view of the bottom of the respirator.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD778430 *Nov 15, 2013Feb 7, 20173M Innovative Properties CompanyFilter cartridge
U.S. ClassificationD24/110.4