2203321

Information

• Patent Grant
• 2203321

• References
• Source

• Patent Number

  2,203,321

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1940
  84 years ago

• CPC

  • H01H1/065 - formed by freely suspended particles

• US Classifications

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