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Publication numberUSD150576 S
Publication typeGrant
Publication dateAug 17, 1948
Filing dateJul 31, 1947
Publication numberUS D150576 S, US D150576S, US-S-D150576, USD150576 S, USD150576S
InventorsLudwig J. Kalwo
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Push-button switch or similar article
US D150576 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

1948- L. J. KALWO Des. 150,576

PUSH-BUTTON SWITCH 0R SIMILAR ARTICLE Filed July 51., 1947 INVENTOR wan 7c; a mam:


ATTORNEY Patented Aug. 17, 1948 Des. 150,576

DESIGN FOR A PUSH-BUTTON SWITCH OR SIMILAR ARTICLE Ludwig J. Kalwo, New York, N. Y., assignor to Trine Manufacturing Corporation, New York,

N. Y., a corporation Application July 31, 1947, Serial No. 140,646

Term of patent 14 years (Cl. D2613) To all whom it may concern:

Be it known that I, Ludwig J. Kalwo, a citizen of the United States of America, residing at the city, county, and State of New York, have invented a, new, original, and ornamental Design for a Push-Button Switch or Similar Article, of which the following is a specification, reference being had to the accompanying drawing, forming a part thereof.

Fig. 1 is a perspective view of a push-button switch showing my new design;

Fig. 2 is a front elevational view thereof;

Fig. 3 is a side elevatlonal view thereof; and

Fig. 4 is an end view thereof.

I claim:

The ornamental design for a push-button switch or similar article, as shown.


REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date D. 92,930 Sayre July 31, 1934 D. 106,278 Boynton Oct. 5, 1937 D. 121,273 Davis July 2, 1940 D. 130,321 Borchers Nov. 11, 1941