3751881

Information

• Patent Grant
• 3751881

• References
• Source

• Patent Number

  3,751,881

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1973
  51 years ago

• CPC

  • A47L9/1454 - Self-sealing closures
  • Y10S55/02 - Vacuum cleaner bags

• US Classifications

  • 055 - Gas separation