1544402

Information

• Patent Grant
• 1544402

• References
• Source

• Patent Number

  1,544,402

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1925
  99 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
  • B31B19/62 - by adhesives
  • B31B2219/6015 - Arrangements for permitting the glue to set
  • B31B2221/10 - the bags having no structural provision at the base for thickness of content

• US Classifications

  • 493 - Manufacturing container or tube from paper