2176840

Information

• Patent Grant
• 2176840

• References
• Source

• Patent Number

  2,176,840

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1939
  86 years ago

• CPC

  • E02F3/141 - buckets

• US Classifications

  • 037 - Excavating
  • 285 - Pipe joints or couplings