3540578

Information

• Patent Grant
• 3540578

• References
• Source

• Patent Number

  3,540,578

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1970
  54 years ago

• CPC

  • B65D85/672 - on cores
  • Y10T292/082 - Spring arm
  • Y10T292/0901 - Push or pull rod
  • Y10T292/18 - Free-end-engaging means

• US Classifications

  • 206 - Special receptacle or package
  • 220 - Receptacles
  • 285 - Pipe joints or couplings
  • 292 - Closure fasteners