USD288708SExpiredUtility

Piercing valve

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Assignee: GEM PRODUCTS INCPriority: Nov 27, 1984Filed: Nov 27, 1984Granted: Mar 10, 1987
Est. expiryNov 27, 2004(expired)· nominal 20-yr term from priority
Inventors:Arnold A. Cowan
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PatentIndex Score
1
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a piercing valve, as shown and described.

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