USD337309SExpiredUtility

Extension cord lock

33
Individually held — no corporate assignee on recordPriority: Apr 1, 1991Filed: Apr 1, 1991Granted: Jul 13, 1993
Est. expiryApr 1, 2011(expired)· nominal 20-yr term from priority
Inventors:Fred E. Mally
33
PatentIndex Score
7
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an extension cord lock, as shown and described.

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