2133709

Information

• Patent Grant
• 2133709

• References
• Source

• Patent Number

  2,133,709

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1938
  86 years ago

• CPC

  • E05F3/102 - with rack-and-pinion transmission between driving shaft and piston within the closer housing
  • E05Y2900/132 - Doors
  • Y10T16/2799 - Spring and flexible link

• US Classifications

  • 016 - Miscellaneous hardware