3666138

Information

• Patent Grant
• 3666138

• References
• Source

• Patent Number

  3,666,138

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1972
  52 years ago

• CPC

  • B21D51/383 - scoring lines, tear strips or pulling tabs
  • B65D17/502 - applied to the external part of the container wall only
  • B65D2517/0013 - pull-out tear panel
  • B65D2517/0061 - U-shaped
  • B65D2517/5008 - with a sealing coat
  • B65D2517/5029 - and connected to container by local areas of adhesive
  • B65D2517/5056 - the edge of the preformed opening having a covering element or coating
  • B65D2517/5083 - with means facilitating initial lifting of tape
  • Y10T156/1062 - Prior to assembly
  • Y10T156/1093 - with covering of discrete laminae with additional lamina
  • Y10T428/1355 - Elemental metal containing [e.g., substrate, foil, film, coating, etc.]
  • Y10T428/31522 - Next to metal
  • Y10T428/31529 - Next to metal
  • Y10T428/31688 - Next to aldehyde or ketone condensation product

• US Classifications

  • 220 - Receptacles
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 222 - Dispensing
  • 428 - Stock material or miscellaneous articles