USD250990SExpiredUtility

Key

86
Assignee: MASTER LOCK COPriority: Mar 30, 1977Filed: Mar 30, 1977Granted: Feb 6, 1979
Est. expiryMar 30, 1997(expired)· nominal 20-yr term from priority
Inventors:Robert Harold HannemanKenneth N. Grandy
86
PatentIndex Score
22
Cited by
2
References
1
Claims

Claims

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

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