Protective valve cap

Details Protective valve cap Protective valve cap

2002-04-30

2002-12-31

Holtje, Nelson C. (Department: 2912)

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Fitting

CD23S249000

Design Patent

active

D0468002

CLAIM:
The ornamental design for a protective valve cap, as shown and described.

REFERENCES:
patent: 2993612 (1961-07-01), Trautvetter
patent: 3130086 (1964-04-01), Taylor
patent: D200884 (1965-04-01), Hart
patent: 3963140 (1976-06-01), Harding
patent: D270140 (1983-08-01), Berglund
patent: 4645087 (1987-02-01), Kusz
patent: 4712705 (1987-12-01), Fuehrer
patent: 4729488 (1988-03-01), Bullock, III
patent: 4779750 (1988-10-01), Armstrong
patent: 4784296 (1988-11-01), Bullock
patent: 6102226 (2000-08-01), Verderber
patent: D436862 (2001-01-01), Witt et al.
patent: D447056 (2001-08-01), Caserta
U.S. patent application Ser. No. 10/134,537, Steffan, filed Apr. 30, 2002.

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