3613915

Information

• Patent Grant
• 3613915

• References
• Source

• Patent Number

  3,613,915

• Date Filed

  Not available

• Date Issued

  Tuesday, October 19, 1971
  53 years ago

• CPC

  • B65F1/1447 - located underground
  • B65F1/127 - by suction
  • B65F3/0209 - using suction
  • B65G53/24 - Gas suction systems
  • E03F7/10 - Wheeled apparatus for emptying sewers or cesspools
  • E03F7/106 - Accessories

• US Classifications

  • 406 - Conveyors: fluid current
  • 015 - Brushing, scrubbing, and general cleaning
  • 232 - Deposit and collection receptacles
  • 414 - Material or article handling