3802022

Information

• Patent Grant
• 3802022

• References
• Source

• Patent Number

  3,802,022

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  50 years ago

• CPC

  • E01H12/004 - using floating devices
  • E01H1/106 - in which the loosened or dislodged dirt is picked up
  • E01H12/00 - Cleaning beaches or sandboxes

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 056 - Harvesters
  • 414 - Material or article handling