USD254007SExpiredUtility

Telephone accessory keyboard

80
Assignee: TATECO ABPriority: Mar 22, 1977Filed: Sep 22, 1977Granted: Jan 22, 1980
Est. expiryMar 22, 1997(expired)· nominal 20-yr term from priority
Inventors:Jan Hampf
80
PatentIndex Score
15
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a telephone accessory keyboard, substantially as shown and described.

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