3021721

Information

• Patent Grant
• 3021721

• References
• Source

• Patent Number

  3,021,721

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1962
  63 years ago

• CPC

  • B62D3/06 - with screw and nut
  • Y10S74/10 - Polymer digest - plastic gears
  • Y10T74/18136 - Bevel
  • Y10T74/18744 - Lubrication
  • Y10T74/20408 - Constant tension sustaining

• US Classifications

  • 074 - Machine element or mechanism
  • 264 - Plastic and nonmetallic article shaping or treating: processes