2475888

Information

• Patent Grant
• 2475888

• References
• Source

• Patent Number

  2,475,888

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1949
  75 years ago

• CPC

  • E02B17/0827 - with screws and nuts mechanism
  • Y10T74/18576 - including screw and nut

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 074 - Machine element or mechanism
  • 175 - Boring or penetrating the earth
  • 185 - Motors: spring, weight, or animal powered