2885721

Information

• Patent Grant
• 2885721

• References
• Source

• Patent Number

  2,885,721

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1959
  65 years ago

• CPC

  • E05F3/06 - in which a torsion spring rotates a member around an axis perpendicular to the axis of the piston
  • E05Y2900/132 - Doors
  • Y10T16/2793 - Side spring chamber

• US Classifications

  • 016 - Miscellaneous hardware
  • 267 - Spring devices