USD344036SExpiredUtility

Combined transmitter and receiver for a door chime

89
Assignee: JOHN MFG LTDPriority: Oct 30, 1991Filed: Apr 29, 1992Granted: Feb 8, 1994
Est. expiryOct 30, 2011(expired)· nominal 20-yr term from priority
Inventors:John S. Yuen
89
PatentIndex Score
31
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined transmitter and receiver for a door chime, as shown and described.

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