USD277848SExpiredUtility

Protective cover for a hybrid circuit switching device

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Assignee: GTE AUTOMATIC ELECTRIC INCORPORATEDPriority: Jun 1, 1982Filed: Jun 1, 1982Granted: Mar 5, 1985
Est. expiryJun 1, 2002(expired)· nominal 20-yr term from priority
Inventors:James V. KoppensteinerGeorge Len
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PatentIndex Score
3
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a protective cover for a hybrid circuit switching device, as shown and described.

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