2708284

Information

• Patent Grant
• 2708284

• References
• Source

• Patent Number

  2,708,284

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1955
  69 years ago

• CPC

  • E05F3/16 - with friction brakes
  • E05Y2201/21 - Brakes
  • E05Y2201/258 - Magnetic or electromagnetic friction
  • E05Y2201/266 - rotary
  • E05Y2900/132 - Doors
  • Y10T16/27 - Checks and closers

• US Classifications

  • 016 - Miscellaneous hardware
  • 310 - Electrical generator or motor structure