3693688

Information

• Patent Grant
• 3693688

• References
• Source

• Patent Number

  3,693,688

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  51 years ago

• CPC

  • B60C11/1606 - retractable plug

• US Classifications

  • 152 - Resilient tires and wheels