3818920

Information

• Patent Grant
• 3818920

• References
• Source

• Patent Number

  3,818,920

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • A45B25/12 - Devices for holding umbrellas closed

• US Classifications

  • 135 - Tent, canopy, umbrella, or cane