USD331449SExpiredUtility

Bellows valve

50
Assignee: SEQUOIA CONTROLS CO LTDPriority: Jan 29, 1990Filed: Jan 29, 1990Granted: Dec 1, 1992
Est. expiryJan 29, 2010(expired)· nominal 20-yr term from priority
Inventors:David AdishianIra Silverman
50
PatentIndex Score
9
Cited by
7
References
1
Claims

Claims

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

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