3714680

Information

• Patent Grant
• 3714680

• References
• Source

• Patent Number

  3,714,680

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1973
  52 years ago

• CPC

  • F16F15/067 - using only wound springs
  • E05F1/1261 - for counterbalancing
  • E05Y2201/686 - Rods, links
  • E05Y2900/20 - for furnitures
  • Y10T16/53835 - including pivoted coaxial spring retaining bar
  • Y10T16/625 - Spring

• US Classifications

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