1757548

Information

• Patent Grant
• 1757548

• References
• Source

• Patent Number

  1,757,548

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1930
  94 years ago

• CPC

  • E21D15/32 - by a deformable collar or clamping means applied symmetrically inside a locking ring
  • B25B1/20 - Vices for clamping work of special profile
  • B25B5/103 - with a hinge
  • B25B5/147 - for pipes
  • Y10S24/22 - Jaw structures, teeth
  • Y10T24/3938 - Lever tension
  • Y10T24/4435 - with extended lever portion
  • Y10T24/44504 - Threaded cylindrical rod and mating cavity
  • Y10T24/44564 - having specific surface material or irregularity on or along engaging face

• US Classifications

  • 081 - Tools
  • 024 - Buckles, buttons, clasps, etc.
  • 248 - Supports
  • 269 - Work holders
  • 294 - Handling: hand and hoist-line implements