1950856

Information

• Patent Grant
• 1950856

• References
• Source

• Patent Number

  1,950,856

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1934
  91 years ago

• CPC

  • G04C21/24 - put into action by the spring of a mechanical alarm work

• US Classifications

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