3445052

Information

• Patent Grant
• 3445052

• References
• Source

• Patent Number

  3,445,052

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1969
  55 years ago

• CPC

  • E05D1/02 - made of one piece
  • B29L2031/22 - Hinges, pivots
  • Y10S16/13 - Plastic hinge
  • Y10S220/902 - Foam
  • Y10S229/93 - Fold detail
  • Y10T16/525 - Pliant or elastic hinge
  • Y10T16/548 - including laminated leaf
  • Y10T16/555 - Specified material
  • Y10T428/24479 - including variation in thickness
  • Y10T428/24496 - Foamed or cellular component

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 016 - Miscellaneous hardware
  • 052 - Static structures
  • 220 - Receptacles
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • D09 - Packages and containers for goods