USD329424SExpiredUtility

Pneumatic actuator for an electrical switch

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Assignee: TRIDELTA INDPriority: Nov 29, 1990Filed: Nov 29, 1990Granted: Sep 15, 1992
Est. expiryNov 29, 2010(expired)· nominal 20-yr term from priority
Inventors:Raymond J. Niemczura, Sr.Victor M. SeligKaren A. Davis
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PatentIndex Score
4
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a pneumatic actuator for an electrical switch, as shown and described.

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