3921334

Information

• Patent Grant
• 3921334

• References
• Source

• Patent Number

  3,921,334

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • E06B9/01 - Grilles fixed to walls, doors, or windows Grilles moving with doors or windows Walls formed as grilles
  • Y10T292/0854 - Cam
  • Y10T292/0859 - Push or pull rod
  • Y10T292/1037 - Pivoted end

• US Classifications

  • 049 - Movable or removable closures
  • 292 - Closure fasteners
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener