3334444

Information

• Patent Grant
• 3334444

• References
• Source

• Patent Number

  3,334,444

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1967
  57 years ago

• CPC

  • E05F1/025 - with rectilinearly-moving counterweights
  • E05Y2201/21 - Brakes
  • E05Y2201/256 - with pistons or vanes
  • E05Y2201/264 - linear
  • Y10T16/602 - Weight

• US Classifications

  • 049 - Movable or removable closures
  • 016 - Miscellaneous hardware