2215910

Information

• Patent Grant
• 2215910

• References
• Source

• Patent Number

  2,215,910

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1940
  84 years ago

• CPC

  • B61L1/187 - Use of alternating current
  • B61L1/182 - Use of current of indifferent sort or a combination of different current types

• US Classifications

  • 246 - Railway switches and signals
  • 126 - Stoves and furnaces