2763974

Information

• Patent Grant
• 2763974

• References
• Source

• Patent Number

  2,763,974

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1956
  68 years ago

• CPC

  • A01B29/02 - with smooth surface
  • E01C19/25 - propelled by animals or vehicles

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 188 - Brakes