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Publication numberUSD233372 S
Publication typeGrant
Publication dateOct 22, 1974
Filing dateJun 22, 1972
Publication numberUS D233372 S, US D233372S, US-S-D233372, USD233372 S, USD233372S
InventorsHarold R. Havstad
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Intermittent positive pressure breathing manifold
US D233372 S
Abstract  available in
Images(3)
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Claims  available in
Description  (OCR text may contain errors)

United States Patent Ofiice 233,372

Patented Oct. 22, 1974 INTERMITTENT POSITIVE PRESSURE BREATHING MANIFOLD Harold R. Havstad, Lakewood, and Donald F. Diedrich,

Temecula, Califl, assignors to Hudson Oxygen Therapy Sales Company Filed June 22, 1972, Ser. No. 265,336

Term of patent 14 years Int. C1. D24-02 US. Cl. D831 G Des. 233,372

FAG! 5 FIG. 6

FIG. 1 is a perspective view of an intermittent positive We claim: pressure breathing manifold; The ornamental design for an intermittent positive pres- FIG. 2 is a side elevational view of the manifold of sure breathing manifold, as shown and described. FIG. 1;

FIG. 3 is a cross section taken substantially through References Cited the center of FIG. 2;

. UNITED STATES PATENTS FIG. 4 1s a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; 294L528 6/1960 Fabian et a1 D83 1 G 3,191,596 6/1965 Bird et al. 128-44515 FIG. 6 1s a top plan view thereof, and FIG. 7 is a bottom plan view thereof. 34683O7 9/1969 Cummms l28145'5 3,771,721 11/1973 Van A'merongen 128-494 BERNARD ANSHER, Primary Examiner