1997463

Information

• Patent Grant
• 1997463

• References
• Source

• Patent Number

  1,997,463

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1935
  89 years ago

• CPC

  • H01H81/04 - electromagnetically operated

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets