2639022

Information

• Patent Grant
• 2639022

• References
• Source

• Patent Number

  2,639,022

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1953
  71 years ago

• CPC

  • B65G65/00 - Loading or unloading
  • B65G2814/0334 - Scraper conveyors

• US Classifications

  • 198 - Conveyors: power-driven
  • 267 - Spring devices