Electric Timepiece

Summary: 

The magnetic field core for driving the motor is also employed for operating the vibratory armature of the alarm

Patent Dates


Application Date: 

1929-05-20   

Issue Date: 

1935-05-21

Patent Numbers


Patent Number: 

2002421   

Serial Number: 

364601

Description: 

This patent was used in Westclox self-starting alarm clocks with M2 and M3 motors, such as Logan and Bachelor.



Inventor Information: 

Louis Tisseyre and Ionel Cotraneanu, Paris, rance, assignor by direct and mesne assignments, to George P. Cowles, Waterbury, Conn.

Patent Type: 

Utility

Patent Country: 

United States

Patent Category:

AC Electric Clock

User: 

Westclox

Patent Personnel


Inventor: 

Tisseyre, Louis   

Inventor: 

Cotnareanu, Ionel   

Assignee: 

Cowles, George

Patent URLs:

U.S. Patent Database; Google Patents