The alarm sounds for a brief time, then stops, then automatically starts ringing after a delay (typically 5 - 10 minutes) and then rings until shut off.
Patent Dates
Application Date:
1964-03-04
Issue Date:
1965-10-26
Patent Numbers
Patent Number:
3213603
Serial Number:
349236
Inventor Information:
Edward Cielaszyk, Oglesby, Ill., assignor to General Time Corporation, New York, N. Y., a corporation of Delaware.