USD255667SExpiredUtility

Push button for an elevator

72
Assignee: KONE OYPriority: Dec 8, 1977Filed: Apr 10, 1978Granted: Jul 1, 1980
Est. expiryDec 8, 1997(expired)· nominal 20-yr term from priority
Inventors:Pekka Perjo
72
PatentIndex Score
11
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a push button for an elevator, substantially as shown and described.

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