3929437

Information

• Patent Grant
• 3929437

• References
• Source

• Patent Number

  3,929,437

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1975
  49 years ago

• CPC

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

• US Classifications

  • 055 - Gas separation
  • 015 - Brushing, scrubbing, and general cleaning