USD273109SExpiredUtility

Combined control device and display unit for telephone exchange

Assignee: ERICSSON TELEFON AB L MPriority: Jan 7, 1981Filed: Jan 7, 1981Granted: Mar 20, 1984

Est. expiryJan 7, 2001(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a combined control device and display unit for telephone exchange, as shown and described.

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