Quick opening cock

Details Quick opening cock Quick opening cock

2002-05-20

2003-05-06

Holtje, Nelson C. (Department: 2913)

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Design Patent

active

D0474262

CLAIM:
I claim the ornamental design for a quick opening cock, as shown and described.

REFERENCES:
patent: D29734 (1898-11-01), Glauber
patent: D31363 (1899-08-01), Glauber
patent: 955979 (1910-04-01), Murphy
patent: D46024 (1914-06-01), Hoffman
patent: D117892 (1939-12-01), Bienimanm
patent: 2253831 (1941-08-01), Wantz
patent: 3184212 (1965-05-01), Billeter
patent: D318319 (1991-07-01), Rokita
patent: 5072913 (1991-12-01), Carroll et al.
patent: 5577530 (1996-11-01), Condon
patent: 6431520 (2002-08-01), Ferrer Beltran

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