3765433

Information

• Patent Grant
• 3765433

• References
• Source

• Patent Number

  3,765,433

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1973
  51 years ago

• CPC

  • A45B25/02 - Umbrella frames
  • A45B13/00 - Umbrellas made of paper
  • A45B25/16 - Automatic openers

• US Classifications

  • 135 - Tent, canopy, umbrella, or cane