1780312

Information

• Patent Grant
• 1780312

• References
• Source

• Patent Number

  1,780,312

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1930
  94 years ago

• CPC

  • H01H29/12 - Operating mechanisms adapted for operation by a part of the human body other than the hand

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 139 - Textiles: weaving