3921928

Information

• Patent Grant
• 3921928

• References
• Source

• Patent Number

  3,921,928

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • B65H16/106 - in which power is applied to web roll
  • B65H23/085 - and controlling web tension
  • B65H2403/30 - Chain drives
  • B65H2801/69 - Form fill-and-seal machines

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 053 - Package making