2930071

Information

• Patent Grant
• 2930071

• References
• Source

• Patent Number

  2,930,071

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1960
  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
  • Y10S16/09 - Hydraulic actuated checks, closers
  • Y10T16/2774 - Floor pivot

• US Classifications

  • 016 - Miscellaneous hardware