1438604

Information

• Patent Grant
• 1438604

• References
• Source

• Patent Number

  1,438,604

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1922
  101 years ago

• CPC

  • B60C7/12 - using enclosed chambers
  • Y10T152/10387 - Separate core
  • Y10T152/10423 - Superimposed rings

• US Classifications

  • 152 - Resilient tires and wheels