3668737

Information

• Patent Grant
• 3668737

• References
• Source

• Patent Number

  3,668,737

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • E05F3/104 - with cam-and-slide transmission between driving shaft and piston within the closer housing
  • E05Y2201/11 - Covers
  • E05Y2600/41 - Concealed
  • E05Y2600/452 - in or on the floor or wall
  • E05Y2800/12 - Sealing
  • E05Y2800/28 - tubular
  • E05Y2900/132 - Doors
  • Y10T16/2774 - Floor pivot
  • Y10T16/5398 - including cam surface and follower

• US Classifications

  • 016 - Miscellaneous hardware