USD287704SExpiredUtility
Combined housing for doorbell switch, signal system and message cabinet
Individually held — no corporate assignee on recordPriority: Nov 7, 1983Filed: Nov 7, 1983Granted: Jan 13, 1987
Est. expiryNov 7, 2003(expired)· nominal 20-yr term from priority
Inventors:Gary Wheeler
47
PatentIndex Score
8
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined housing for doorbell switch, signal system and message cabinet, substantially as shown and described.
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