2928921

Information

• Patent Grant
• 2928921

• References
• Source

• Patent Number

  2,928,921

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1960
  65 years ago

• CPC

  • H01H9/06 - Casing of switch constituted by a handle serving a purpose other than the actuation of the switch
  • B23B45/001 - Housing of the drill
  • H01H13/506 - with a make-break action in a single operation
  • H01H2300/026 - Application dead man switch: power must be interrupted on release of operating member
  • H01H2300/028 - Application dead man switch, i.e. power being interrupted by panic reaction of operator

• US Classifications

  • 200 - Electricity: circuit makers and breakers