1784991

Information

• Patent Grant
• 1784991

• References
• Source

• Patent Number

  1,784,991

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1930
  94 years ago

• CPC

  • B66F3/08 - screw operated
  • E21D15/24 - with axial screw-and-nut, rack-and-worm, or like mechanism

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 081 - Tools