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Publication numberUSD234637 S
Publication typeGrant
Publication dateMar 25, 1975
Filing dateJul 5, 1972
Publication numberUS D234637 S, US D234637S, US-S-D234637, USD234637 S, USD234637S
InventorsStephen Donald Flynn
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Respirator valve
US D234637 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

Patented Mar. 25, 1975 RESPIRATOR VALVE Stephen Donald Flynn, Caledonia, Ontario, Canada (36 Prince Arthur Ave., Toronto, Ontario, Canada) Filed July 5, 1972, Ser. No. 269,192

Claims priority, application Canada Jan. 5, 1972 Term of patent 14 years Int. Cl. D24--02; D23-01 US. Cl. D83--1 G FIG. 1

FIG.2

FIG. 1 is a top front perspective illustration of a res- References Cited pirator valve showing my new design; UNITED STATES PATENTS FIG. 2 IS a bottom rear perspective thereof. claim; 3,147,761 9/1964 Lecocq 128-1422 The ornamental design for a respirator valve, as shown. 3,419,042 12/1968 Roberts 128-142 X 3,521,627 7/1970 Murray 128142 3,688,794 9/1972 Bird et a1. 128- 146.4

BERNARD ANSHER, Primary Examiner