3808716

Information

• Patent Grant
• 3808716

• References
• Source

• Patent Number

  3,808,716

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • E02F3/9293 - Component parts of suction heads
  • E02F3/9225 - with rotating cutting elements
  • E02F9/2866 - for rotating digging elements

• US Classifications

  • 037 - Excavating