USD313790SExpiredUtility

Electrical plug

85
Assignee: MIT INCPriority: Apr 21, 1987Filed: May 29, 1987Granted: Jan 15, 1991
Est. expiryApr 21, 2007(expired)· nominal 20-yr term from priority
Inventors:Ryuzo Hirabayashi
85
PatentIndex Score
38
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electrical plug, as shown and described.

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