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Publication numberUSD197450 S
Publication typeGrant
Publication dateFeb 4, 1964
Filing dateJul 16, 1962
Publication numberUS D197450 S, US D197450S, US-S-D197450, USD197450 S, USD197450S
InventorsDudley H. Grimm
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Oxygen administering mask unit
US D197450 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

Des. 197,450 Patented Feb. 4, 1964 United States Patent 0 "ice OXYGEN ADMINISTERING MASK UNIT Dudley H. Grimm, Leawood, Kans., assignor to Puritan Compressed Gas Corporation, Kansas City, Mo., a corporation of Missouri Filed July 16, 1962, Ser. No. 70,935

Term of patent 14 years FIG 1 1s a front elevational view of an oxygen admin- The fragmentary bag member shown in broken lines in istering mask unit, showing my new design with the tube 4 FIGS. 1, 2 and 3 is for illustrative purposes only. member broken away in part to indicate indeterminate I claim: length;

The ornamental design for an oxygen administering FIG. 2 is a side elevational view thereof with the tube mask unit, as shown and described. fragmentarily shown for convenience of illustration;

FIG. 3 is a rear elevational view thereof as shown in References Cited in the file of this PM?nt FIG. 2;

UNITED STATES PATENTS Boothby et a1. May 7, 1940 Russell Sept 30, 1952 Feinberg Feb. 13, 1923 FIG. 5 is a longitudinal sectional view taken substantially along line 5-5 of the mask member shown in FIG. 1.