3717315

Information

• Patent Grant
• 3717315

• References
• Source

• Patent Number

  3,717,315

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1973
  51 years ago

• CPC

  • B65H75/22 - collapsible with removable parts
  • B21C47/28 - Drums or other coil-holders
  • B65H75/04 - Kinds or types
  • B65H75/148 - with at least one frustoconical end flange
  • B65H2701/5122 - Plastics
  • B65H2701/534 - Stackable or interlockable reels or parts of reels

• US Classifications

  • 242 - Winding, tensioning, or guiding