3550510

Information

• Patent Grant
• 3550510

• References
• Source

• Patent Number

  3,550,510

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  53 years ago

• CPC

  • B31B21/00 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from sheets or blanks
  • B31B19/74 - Auxiliary operations; Parts; Components
  • B31B2219/95 - Controlling Regulating Measuring Safety measures
  • B31B2221/10 - the bags having no structural provision at the base for thickness of content
  • B31B2221/102 - obtained from essentially rectangular sheets

• US Classifications

  • 493 - Manufacturing container or tube from paper