3500988

Information

• Patent Grant
• 3500988

• References
• Source

• Patent Number

  3,500,988

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1970
  55 years ago

• CPC

  • E02F3/20 - with tools that only loosen the material
  • B65G65/10 - Raking or scraping devices
  • B65G65/20 - Paddle wheels
  • E02F3/181 - including a conveyor

• US Classifications

  • 198 - Conveyors: power-driven
  • 037 - Excavating
  • 414 - Material or article handling