3847293

Information

• Patent Grant
• 3847293

• References
• Source

• Patent Number

  3,847,293

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • B65F3/0209 - using suction

• US Classifications

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