3863237

Information

• Patent Grant
• 3863237

• References
• Source

• Patent Number

  3,863,237

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1975
  49 years ago

• CPC

  • A01K61/003 - Cleaning bottoms or walls of ponds or receptacles
  • B01D21/22 - Safety mechanisms
  • E02F3/02 - hand-operated; handheld soil shifting equipment acting by sucking E02F3/8891
  • E04H4/1609 - Hand-held strainers, non-powered brushes or scrubbers

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 210 - Liquid purification or separation
  • 294 - Handling: hand and hoist-line implements
  • 299 - Mining or in situ disintegration of hard material