3912193

Information

• Patent Grant
• 3912193

• References
• Source

• Patent Number

  3,912,193

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  49 years ago

• CPC

  • B65H23/0328 - by moving the winding device
  • B65H23/0216 - with an element utilising photoelectric effect

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 226 - Advancing material of indeterminate length
  • 250 - Radiant energy
  • 356 - Optics: measuring and testing