1813639

Information

• Patent Grant
• 1813639

• References
• Source

• Patent Number

  1,813,639

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1931
  93 years ago

• CPC

  • B62K3/00 - Bicycles
  • B62K2700/50 - Frames for cycles with two wheels positioned one behind the other

• US Classifications

  • 280 - Land vehicles