1994666

Information

• Patent Grant
• 1994666

• References
• Source

• Patent Number

  1,994,666

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1935
  90 years ago

• CPC

  • B31B19/62 - by adhesives
  • B31B23/00 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from webs
  • B31B2219/6023 - Applying glue on moving webs to form tubular webs
  • B31B2237/10 - the bags having no structural provision at the base for thickness of content
  • B31B2237/403 - the bags having their openings facing in the direction of movement

• US Classifications

  • 493 - Manufacturing container or tube from paper