2182680

Information

• Patent Grant
• 2182680

• References
• Source

• Patent Number

  2,182,680

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1939
  85 years ago

• CPC

  • E01B27/102 - Removing unwanted material without removing the ballast
  • B65G53/52 - Adaptations of pipes or tubes

• US Classifications

  • 406 - Conveyors: fluid current
  • 015 - Brushing, scrubbing, and general cleaning
  • 198 - Conveyors: power-driven
  • 299 - Mining or in situ disintegration of hard material