1388447

Information

• Patent Grant
• 1388447

• References
• Source

• Patent Number

  1,388,447

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1921
  103 years ago

• CPC

  • B60C7/12 - using enclosed chambers
  • Y10T152/10459 - Recessed

• US Classifications

  • 152 - Resilient tires and wheels