3508696

Information

• Patent Grant
• 3508696

• References
• Source

• Patent Number

  3,508,696

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1970
  54 years ago

• CPC

  • G11B23/06 - for housing endless webs or filaments
  • B65H20/28 - Mechanisms for delivering webs in superposed folds and refeeding them from the lower end of the folded assemblies
  • H01F7/02 - Permanent magnets [PM]

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 242 - Winding, tensioning, or guiding