3452388

Information

• Patent Grant
• 3452388

• References
• Source

• Patent Number

  3,452,388

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1969
  55 years ago

• CPC

  • E05F1/1261 - for counterbalancing
  • E05Y2800/26 - Form, shape
  • E05Y2900/20 - for furnitures
  • Y10T16/193 - Leg elevators
  • Y10T16/53834 - to counterbalance weight of hinged member [e.g., closure biased to open position]
  • Y10T16/53835 - including pivoted coaxial spring retaining bar
  • Y10T16/61 - Closure checks

• US Classifications

  • 016 - Miscellaneous hardware