1491396

Information

• Patent Grant
• 1491396

• References
• Source

• Patent Number

  1,491,396

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1924
  100 years ago

• CPC

  • H01H43/302 - of solid bodies

• US Classifications

  • 318 - Electricity: motive power systems
  • 004 - Baths, closets, sinks, and spittoons
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 361 - Electricity: electrical systems and devices