USD268109SExpiredUtility

Operator console of a telephone switching system

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Assignee: IBMPriority: Mar 9, 1979Filed: Aug 29, 1979Granted: Mar 1, 1983
Est. expiryMar 9, 1999(expired)· nominal 20-yr term from priority
Inventors:Daniel RicheletGilbert Pedinielli
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PatentIndex Score
2
Cited by
0
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an operator console of a telephone switching system, as shown.

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