3874276

Information

• Patent Grant
• 3874276

• References
• Source

• Patent Number

  3,874,276

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  49 years ago

• CPC

  • B31B41/00 - Machinery characterised by making envelopes or bags of other specific form or construction
  • B65D85/544 - for gramophone records
  • B31B2241/007 - Making recording disc envelopes
  • Y10T156/1034 - Overedge bending of lamina about edges of sheetlike base
  • Y10T156/1051 - by folding

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 156 - Adhesive bonding and miscellaneous chemical manufacture