3020580

Information

• Patent Grant
• 3020580

• References
• Source

• Patent Number

  3,020,580

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  63 years ago

• CPC

  • E05F3/16 - with friction brakes
  • E05D13/1276 - with coiled ribbon springs
  • E05F1/16 - for sliding wings
  • E05Y2900/20 - for furnitures
  • Y10T16/2799 - Spring and flexible link

• US Classifications

  • 016 - Miscellaneous hardware
  • 242 - Winding, tensioning, or guiding