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Publication numberUSD171505 S
Publication typeGrant
Publication dateFeb 16, 1954
Filing dateAug 15, 1950
Publication numberUS D171505 S, US D171505S, US-S-D171505, USD171505 S, USD171505S
InventorsLeo Krueger
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Aib diffuser foe ceilings
US D171505 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

Feb. 16, 1954 KRUEGER Des. 171,505

AIR DIFFUSER FOR CEILINGS Filed Aug. 15 I950 INVENTOR, Leo jfrueg f Patented Feb. 16, 1954 Des. 171,505

UNITED STATES PATENT OFFICE AIR DIFFUSER FOR CEILINGS Leo Kruegei', Tucson, Ariz.

Application August 15, 1950, Serial No. 11,768

Term of patent 14 years I claim: The ornamental design for an air diffuser for ceilings, as shown.

LEO KRUEGER.

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date D. 77,765 Guth Feb. 19, 1929 D. 120,266 Kurth et a1 Apr. 30, 1940 D. 155,680 Baker Oct. 25, 1949

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US20050164626 *Jan 21, 2005Jul 28, 2005Kloostra Marvin L.High mix air diffuser
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