2239785

Information

• Patent Grant
• 2239785

• References
• Source

• Patent Number

  2,239,785

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1941
  83 years ago

• CPC

  • E01B27/14 - Manual tools or hand-held power tools therefor

• US Classifications

  • 104 - Railways
  • 310 - Electrical generator or motor structure
  • 404 - Road structure, process, or apparatus