Title:
Singing bird clock
United States Patent 2504811
US Patent References:
/0465441.html
- - 0465441

Electrical striking mechanism for clocks
- - 1789044

Electric clock
- - 1793984


Inventors:
Davis, Pearl D.
Porter Jr., Edward Pratt
Publication Date:
04/18/1950
View Patent Images:
Download PDF 2504811 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Davis, Pearl D.
Porter Jr., Edward Pratt
Primary Class:
368/272
Other Classes:
40/416, 968/247, 368/203, 968/225, 40/455, 446/188, 968/246, 368/276
International Classes:
G04B21/08; G04B25/04; G04B25/06; G04B21/00; G04B25/00