2228899

Information

• Patent Grant
• 2228899

• References
• Source

• Patent Number

  2,228,899

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1941
  84 years ago

• CPC

  • G04C21/22 - put into action by the arbor of a mechanical alarm work

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 968 - Horology