3677422

Information

• Patent Grant
• 3677422

• References
• Source

• Patent Number

  3,677,422

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • B65F1/1447 - located underground
  • B08B9/0436 - provided with mechanical cleaning tools
  • B65F3/00 - Vehicles particularly adapted for collecting refuse

• US Classifications

  • 414 - Material or article handling
  • 015 - Brushing, scrubbing, and general cleaning
  • 232 - Deposit and collection receptacles