3727789

Information

• Patent Grant
• 3727789

• References
• Source

• Patent Number

  3,727,789

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • B65D43/022 - only on the inside, or a part turned to the inside, of the mouth of the container
  • B65D51/1683 - by actuating a separate element in the container or closure
  • B65D2543/00194 - square or rectangular
  • B65D2543/00509 - Cup
  • B65D2543/00546 - NO contact
  • B65D2543/00564 - indirect by means of a gasket or similar intermediate ring
  • B65D2543/00824 - Means for facilitating removing of the closure
  • B65D2543/00972 - Collars or rings

• US Classifications

  • 220 - Receptacles