USD348506SExpiredUtility

On-off valve

35
Assignee: AMERICA SAFETY FLIGHT SYSTEM INCPriority: Aug 6, 1991Filed: Aug 6, 1991Granted: Jul 5, 1994
Est. expiryAug 6, 2011(expired)· nominal 20-yr term from priority
Inventors:Krzysztof Stachowiak
35
PatentIndex Score
5
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an on-off valve, as shown.

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