USD280180SExpiredUtility

Twisting fastener

77
Assignee: ITW LTDPriority: Apr 26, 1983Filed: Oct 21, 1983Granted: Aug 20, 1985
Est. expiryApr 26, 2003(expired)· nominal 20-yr term from priority
Inventors:David A. Burt
77
PatentIndex Score
15
Cited by
6
References
1
Claims

Claims

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

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