3830017

Information

• Patent Grant
• 3830017

• References
• Source

• Patent Number

  3,830,017

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 years ago

• CPC

  • E05F17/001 - of prison cell doors
  • E05F15/635 - operated by push-pull mechanisms
  • E05Y2201/22 - Locks
  • E05Y2201/246 - by motors, magnets, springs or weights
  • E05Y2201/434 - Electromotors Details thereof
  • E05Y2201/722 - Racks
  • E05Y2900/132 - Doors
  • Y10T292/1047 - Closure
  • Y10T292/1092 - Swinging catch

• US Classifications

  • 049 - Movable or removable closures
  • 292 - Closure fasteners