3520440

Information

• Patent Grant
• 3520440

• References
• Source

• Patent Number

  3,520,440

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1970
  54 years ago

• CPC

  • B65D43/022 - only on the inside, or a part turned to the inside, of the mouth of the container
  • B65D45/30 - Annular members
  • B65D2525/284 - combined with closure retaining means
  • B65D2543/00092 - circular
  • B65D2543/00435 - Lids secured to an intermediate ring or like annular member fixed to the container mouth
  • B65D2543/00509 - Cup
  • B65D2543/00546 - NO contact
  • B65D2543/00564 - indirect by means of a gasket or similar intermediate ring
  • B65D2543/00972 - Collars or rings

• US Classifications

  • 220 - Receptacles