3630125

Information

• Patent Grant
• 3630125

• References
• Source

• Patent Number

  3,630,125

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1971
  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
  • B31B2221/10 - the bags having no structural provision at the base for thickness of content
  • Y10S493/917 - Envelope

• US Classifications

  • 493 - Manufacturing container or tube from paper