1389729

Information

• Patent Grant
• 1389729

• References
• Source

• Patent Number

  1,389,729

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1921
  103 years ago

• CPC

  • B60B9/22 - inflatable
  • Y10T152/10054 - Enclosed cushion
  • Y10T152/1009 - Guide flanges

• US Classifications

  • 152 - Resilient tires and wheels