USD260280SExpiredUtility

Check valve casing

88
Assignee: GSW LIMITED/LIMITEEPriority: Jun 5, 1978Filed: Jun 5, 1978Granted: Aug 18, 1981
Est. expiryJun 5, 1998(expired)· nominal 20-yr term from priority
Inventors:John F. Campbell
88
PatentIndex Score
30
Cited by
9
References
1
Claims

Claims

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

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