3490644

Information

• Patent Grant
• 3490644

• References
• Source

• Patent Number

  3,490,644

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • B65D90/28 - Means for preventing or minimising the escape of vapours

• US Classifications

  • 220 - Receptacles