3311175

Information

• Patent Grant
• 3311175

• References
• Source

• Patent Number

  3,311,175

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1967
  57 years ago

• CPC

  • E02F3/769 - Graders, bulldozers, or the like comprising loaders
  • A01B49/02 - with two or more soil-working tools of different kind
  • A01B59/067 - the lower arms being lifted or lowered by power actuator means internally incorporated in the tractor
  • A01B63/04 - Hand devices Hand devices with mechanical accumulators
  • E02F3/7604 - Combinations of scraper blades with soil loosening tools working independently of scraper blades
  • E02F3/7622 - Scraper equipment with the scraper blade mounted on a frame to be hitched to the tractor by bars, arms, chains or the like, the frame having no ground supporting means of its own
  • E02F3/8155 - provided with movable parts

• US Classifications

  • 172 - Earth working