3447987

Information

• Patent Grant
• 3447987

• References
• Source

• Patent Number

  3,447,987

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1969
  55 years ago

• CPC

  • B31B19/60 - and having means for uniting opposed surfaces or edges, or for taping
  • B31B2219/29 - Closing bags
  • Y10T156/1011 - Overedge bending or overedge folding
  • Y10T156/1034 - Overedge bending of lamina about edges of sheetlike base
  • Y10T156/1051 - by folding

• US Classifications

  • 053 - Package making
  • 156 - Adhesive bonding and miscellaneous chemical manufacture