USD301136SExpiredUtility

Push button switch

86
Assignee: NIHON KAIHEIKI IND CO LTDPriority: Jun 27, 1986Filed: Oct 1, 1986Granted: May 16, 1989
Est. expiryJun 27, 2006(expired)· nominal 20-yr term from priority
Inventors:Akira Saito
86
PatentIndex Score
24
Cited by
1
References
1
Claims

Claims

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

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