1923975

Information

• Patent Grant
• 1923975

• References
• Source

• Patent Number

  1,923,975

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1933
  90 years ago

• CPC

  • B60B9/20 - in rings concentric with wheel axis
  • Y10T152/10171 - Casing construction
  • Y10T152/10666 - Automatic sealing of punctures [e.g., self-healing, etc.]

• US Classifications

  • 152 - Resilient tires and wheels