USD290640SExpiredUtility

Valve diaphragm

68
Assignee: FRIGOSCANDIA CONTRACTING ABPriority: Mar 19, 1984Filed: Sep 18, 1984Granted: Jun 30, 1987
Est. expiryMar 19, 2004(expired)· nominal 20-yr term from priority
Inventors:Gustav A. Andersson
68
PatentIndex Score
16
Cited by
11
References
1
Claims

Claims

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

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