USD406110SExpiredUtility
Electrical switch for door chime
Assignee: FRED M SCHILDWACHTER & SONS INCPriority: Dec 17, 1997Filed: Dec 17, 1997Granted: Feb 23, 1999
Est. expiryDec 17, 2017(expired)· nominal 20-yr term from priority
Inventors:Thomas J. Ryan
69
PatentIndex Score
15
Cited by
1
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an electrical switch for door chime, as shown and described.
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