3284021

Information

• Patent Grant
• 3284021

• References
• Source

• Patent Number

  3,284,021

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1966
  57 years ago

• CPC

  • B65H75/14 - with two end flanges
  • B65H75/22 - collapsible with removable parts
  • B65H2701/5134 - Metal elements
  • B65H2701/51526 - Metal barrel

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 012 - Boot and shoe making