2218950

Information

• Patent Grant
• 2218950

• References
• Source

• Patent Number

  2,218,950

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1940
  84 years ago

• CPC

  • G04C23/12 - Electric circuitry
  • Y10T74/114 - Retarded

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 074 - Machine element or mechanism
  • 968 - Horology