3658271

Information

• Patent Grant
• 3658271

• References
• Source

• Patent Number

  3,658,271

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • G03B21/321 - Holders for films
  • B21C47/12 - the guide moving parallel to the axis of the coil
  • B65H23/02 - transversely
  • B65H75/08 - of circular or polygonal cross-section
  • G03D15/00 - Apparatus for treating processed material

• US Classifications

  • 242 - Winding, tensioning, or guiding