Patent · US Expired

Doorbell button

USD414748S · kind S · design

13Cited by
3References
1Claims
0Family size

Inventors

Key dates

Filing dateApr 30, 1998
Grant dateOct 5, 1999
Priority date
Expiry dateOct 5, 2013

Classification

  • Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.