1638269

Information

• Patent Grant
• 1638269

• References
• Source

• Patent Number

  1,638,269

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1927
  97 years ago

• CPC

  • F16L55/1715 - the ring or the sleeve being tightened by hooks, pawls, or other movable members
  • B21D39/04 - of tubes with tubes of tubes with rods
  • Y10T24/1418 - Self-locking [dead center or snap action]
  • Y10T292/0871 - Sliding and swinging, lever-operating means

• US Classifications

  • 138 - Pipes and tubular conduits
  • 024 - Buckles, buttons, clasps, etc.
  • 292 - Closure fasteners