USD297728SExpiredUtility

Push button switch

37
Assignee: NIHON KAIHEIKI IND CO LTDPriority: Sep 26, 1985Filed: Mar 7, 1986Granted: Sep 20, 1988
Est. expirySep 26, 2005(expired)· nominal 20-yr term from priority
Inventors:Akira Saito
37
PatentIndex Score
2
Cited by
1
References
1
Claims

Claims

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

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