2117507

Information

• Patent Grant
• 2117507

• References
• Source

• Patent Number

  2,117,507

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1938
  86 years ago

• CPC

  • G04C13/06 - Contact devices

• US Classifications

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