USD251109SExpiredUtility

External ring clamp

37
Individually held — no corporate assignee on recordPriority: Aug 26, 1976Filed: Aug 26, 1976Granted: Feb 20, 1979
Est. expiryAug 26, 1996(expired)· nominal 20-yr term from priority
Inventors:Walter D. Kirkland
37
PatentIndex Score
3
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an external ring clamp, as shown.

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