3897912

Information

• Patent Grant
• 3897912

• References
• Source

• Patent Number

  3,897,912

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1975
  49 years ago

• CPC

  • B65H19/2238 - The web roll being driven by a winding mechanism of the nip or tangential drive type
  • B65H2301/41816 - by core magazine within winding machine
  • B65H2301/41822 - from above

• US Classifications

  • 242 - Winding, tensioning, or guiding