1637208

Information

• Patent Grant
• 1637208

• References
• Source

• Patent Number

  1,637,208

• Date Filed

  Not available

• Date Issued

  Tuesday, July 26, 1927
  97 years ago

• CPC

  • E01C19/236 - Construction of the rolling elements
  • E01C19/25 - propelled by animals or vehicles

• US Classifications

  • 404 - Road structure, process, or apparatus