1377439

Information

• Patent Grant
• 1377439

• References
• Source

• Patent Number

  1,377,439

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1921
  103 years ago

• CPC

  • B61L1/182 - Use of current of indifferent sort or a combination of different current types
  • Y10T24/312 - Chain connector
  • Y10T24/44265 - Gripping member face integral with or rigidly affixed to screw-driving portion

• US Classifications

  • 238 - Railways: surface track
  • 024 - Buckles, buttons, clasps, etc.
  • 439 - Electrical connectors