USD501652SExpiredUtility

Doorbell push button

91
Priority: May 15, 2003Filed: May 15, 2003Granted: Feb 8, 2005
Est. expiryMay 15, 2023(expired)· nominal 20-yr term from priority
Inventors:Theodore PiersonThomas Gordon
91
PatentIndex Score
109
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a doorbell push button, as shown.

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