3335735

Information

• Patent Grant
• 3335735

• References
• Source

• Patent Number

  3,335,735

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1967
  57 years ago

• CPC

  • A61H3/02 - Crutches
  • A61H3/0288 - Ferrules or tips therefor
  • A61H3/0277 - Shock absorbers therefor
  • A61H2003/0294 - comprising a ball-and-socket joint
  • Y10T403/32451 - Step-by-step adjustment
  • Y10T403/32459 - Retainer extends through aligned recesses
  • Y10T403/581 - Blocker for assembled joint retainer

• US Classifications

  • 135 - Tent, canopy, umbrella, or cane
  • 403 - Joints and connections
  • 473 - Games using tangible projectile