2080921

Information

• Patent Grant
• 2080921

• References
• Source

• Patent Number

  2,080,921

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1937
  87 years ago

• CPC

  • E01B27/14 - Manual tools or hand-held power tools therefor
  • Y10T74/18344 - Unbalanced weights

• US Classifications

  • 173 - Tool driving or impacting
  • 074 - Machine element or mechanism
  • 104 - Railways
  • 404 - Road structure, process, or apparatus