1779986

Information

• Patent Grant
• 1779986

• References
• Source

• Patent Number

  1,779,986

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1930
  94 years ago

• CPC

  • G08B7/06 - using electric transmission
  • Y10S200/08 - Disturbance
  • Y10S411/935 - Cam or cone grip

• US Classifications

  • 340 - Communications: electrical
  • 200 - Electricity: circuit makers and breakers
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener