1251239

Information

• Patent Grant
• 1251239

• References
• Source

• Patent Number

  1,251,239

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1917
  107 years ago

• CPC

  • B61L7/021 - Driving wheels or supports for traction wires
  • Y10T74/20606 - Swing posts

• US Classifications

  • 384 - Bearings
  • 074 - Machine element or mechanism
  • 123 - Internal-combustion engines