3021989

Information

• Patent Grant
• 3021989

• References
• Source

• Patent Number

  3,021,989

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1962
  62 years ago

• CPC

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

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 400 - Typewriting machines