3857557

Information

• Patent Grant
• 3857557

• References
• Source

• Patent Number

  3,857,557

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • B41J11/58 - Supply holders for sheets or fan-folded webs
  • B41L1/14 - Severing edge perforations from webs
  • B65H41/00 - Machines for separating superposed webs

• US Classifications

  • 270 - Sheet-material associating
  • 242 - Winding, tensioning, or guiding