1557972

Information

• Patent Grant
• 1557972

• References
• Source

• Patent Number

  1,557,972

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1925
  99 years ago

• CPC

  • B60C7/12 - using enclosed chambers
  • Y10S411/959 - Bolt- or nut-carried
  • Y10T152/10423 - Superimposed rings

• US Classifications

  • 152 - Resilient tires and wheels
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener