USD340227SExpiredUtility

Push button switch

45
Assignee: ILLINOIS TOOL WORKSPriority: Jun 9, 1992Filed: Jun 9, 1992Granted: Oct 12, 1993
Est. expiryJun 9, 2012(expired)· nominal 20-yr term from priority
Inventors:Joseph J. Gierut
45
PatentIndex Score
5
Cited by
10
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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