2040303

Information

• Patent Grant
• 2040303

• References
• Source

• Patent Number

  2,040,303

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1936
  88 years ago

• CPC

  • E02F3/9293 - Component parts of suction heads
  • E02F3/9225 - with rotating cutting elements

• US Classifications

  • 037 - Excavating
  • D15 - Machines not elsewhere specified