3656204

Information

• Patent Grant
• 3656204

• References
• Source

• Patent Number

  3,656,204

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  53 years ago

• CPC

  • E05F3/106 - with crank-arm transmission between driving shaft and piston within the closer housing
  • E05F3/225 - mounted at the bottom of wings
  • E05F3/227 - mounted at the top of wings
  • E05Y2900/132 - Doors
  • Y10T16/2766 - Concentric spring chamber

• US Classifications

  • 016 - Miscellaneous hardware
  • 188 - Brakes