USD423341SExpiredUtility

Lobed fastener

48
Assignee: PENN ENG & MFG CORPPriority: Sep 29, 1997Filed: Sep 29, 1997Granted: Apr 25, 2000
Est. expirySep 29, 2017(expired)· nominal 20-yr term from priority
Inventors:Kenneth A. Swanstrom
48
PatentIndex Score
6
Cited by
3
References
1
Claims

Claims

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

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