1494656

Information

• Patent Grant
• 1494656

• References
• Source

• Patent Number

  1,494,656

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1924
  100 years ago

• CPC

  • G08B13/22 - Electrical actuation
  • Y10S200/35 - Weight operated tread/treadless switch

• US Classifications

  • 340 - Communications: electrical
  • 109 - Safes, bank protection, or a related device
  • 200 - Electricity: circuit makers and breakers