2820243

Information

• Patent Grant
• 2820243

• References
• Source

• Patent Number

  2,820,243

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  67 years ago

• CPC

  • E05F3/04 - with liquid piston brakes
  • E05F3/22 - Additional arrangements for closers
  • E05F3/226 - with means to adjust the closed position of the wing
  • E05Y2201/21 - Brakes
  • E05Y2201/256 - with pistons or vanes
  • E05Y2201/264 - linear
  • E05Y2600/41 - Concealed
  • E05Y2600/452 - in or on the floor or wall
  • E05Y2900/132 - Doors
  • Y10T16/5321 - having plural independent adjustments

• US Classifications

  • 016 - Miscellaneous hardware