Alarm Clock

Summary: 

Alarm mechanism which shuts off after predetermined period.

Patent Dates


Application Date: 

1916-01-24   

Issue Date: 

1916-05-02

Patent Numbers


Patent Number: 

1181557   

Serial Number: 

73857

Description: 

It uses a worm gear. This design was used in the Westclox 8-day automatic alarms of ca. 1930.



Inventor Information: 

Frank X. Wehrle of Thomaston, Connecticut, Assignor to Seth Thomas Clock Co., of Thomaston, Connecticut, a Corporation.

Patent Type: 

Utility

Patent Country: 

United States

Patent Category:

Alarm Mechanism for a Clock

Patent Companies


Assignee: 

Seth Thomas Clock Company   

User: 

Seth Thomas   

User: 

Westclox

Inventor: 

Wehrle, Frank

Patent URLs:

U.S. Patent Database; Google Patents