3572914

Information

• Patent Grant
• 3572914

• References
• Source

• Patent Number

  3,572,914

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1971
  54 years ago

• CPC

  • G02C5/2245 - comprising a sliding box containing a spring
  • D01H1/365 - for flyer type
  • G02C2200/24 - Coil spring pulled upon actuation
  • Y10T16/526 - Eyeglass hinge

• US Classifications

  • 351 - Optics: eye examining, vision testing and correcting
  • 016 - Miscellaneous hardware