1553781

Information

• Patent Grant
• 1553781

• References
• Source

• Patent Number

  1,553,781

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1925
  100 years ago

• CPC

  • B61L7/021 - Driving wheels or supports for traction wires

• US Classifications

  • 052 - Static structures