3271901

Information

• Patent Grant
• 3271901

• References
• Source

• Patent Number

  3,271,901

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1966
  57 years ago

• CPC

  • E05F17/001 - of prison cell doors
  • Y10T74/1967 - Rack and pinion

• US Classifications

  • 049 - Movable or removable closures
  • 074 - Machine element or mechanism