USD247492SExpiredUtility

Push-button enlarger for attaching over telephone multifrequency push buttons

59
Individually held — no corporate assignee on recordPriority: Mar 10, 1976Filed: Mar 10, 1976Granted: Mar 14, 1978
Est. expiryMar 10, 1996(expired)· nominal 20-yr term from priority
Inventors:Jerome D. Schiffman
59
PatentIndex Score
8
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a push-button enlarger for attaching over telephone multifrequency tone push buttons, as shown and described.

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