USD405093SExpiredUtility

Telephone headset amplifier unit

Assignee: SMITH CORONA CORPPriority: Feb 9, 1998Filed: Feb 9, 1998Granted: Feb 2, 1999

Est. expiryFeb 9, 2018(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for telephone headset amplifier unit, as shown and described.

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