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