1631000

Information

• Patent Grant
• 1631000

• References
• Source

• Patent Number

  1,631,000

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1927
  98 years ago

• CPC

  • F16L3/18 - allowing movement in axial direction
  • B61L7/021 - Driving wheels or supports for traction wires

• US Classifications

  • 246 - Railway switches and signals
  • 248 - Supports