Summary: The magnetic field core for driving the motor is also employed for operating the vibratory armature of the alarm
Application Date: 1929-05-20
Issue Date: 1935-05-21
Patent Number: 2002421
Serial Number: 364601
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
Inventor: Tisseyre, Louis
Inventor: Cotnareanu, Ionel
Assignee: Cowles, George
Patent URLs: U.S. Patent Database; Google Patents