3716181

Information

• Patent Grant
• 3716181

• References
• Source

• Patent Number

  3,716,181

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1973
  52 years ago

• CPC

  • B31B41/00 - Machinery characterised by making envelopes or bags of other specific form or construction
  • A47L9/14 - Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
  • B65D31/10 - with gusseted sides
  • B31B2241/008 - Making suction cleaner bags
  • Y10S55/02 - Vacuum cleaner bags

• US Classifications

  • 055 - Gas separation