3792820

Information

• Patent Grant
• 3792820

• References
• Source

• Patent Number

  3,792,820

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1974
  50 years ago

• CPC

  • B65H18/145 - Reel-to-reel type web winding and unwinding mechanisms
  • B65H18/16 - by friction roller
  • B65H2301/4148 - slitting
  • Y10S242/907 - Vibration creation or dampening

• US Classifications

  • 242 - Winding, tensioning, or guiding