Title:
Convertible timepiece
United States Patent 2780050


Inventors:
Irving, Florman
Application Number:
US43905754A
Publication Date:
02/05/1957
Filing Date:
06/24/1954
Assignee:
Irving, Florman
Primary Class:
Other Classes:
968/298, D10/1
International Classes:
G04B37/00
View Patent Images:
US Patent References:
2222911Watch crystal1940-11-26
1908150Watchcase1933-05-09
1817374Novelty watch1931-08-04