3289972

Information

• Patent Grant
• 3289972

• References
• Source

• Patent Number

  3,289,972

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1966
  58 years ago

• CPC

  • G11B23/037 - Single reels or spools
  • B41J33/003 - Ribbon spools
  • B65D85/04 - for coils of wire, rope, or hose
  • B65H75/14 - with two end flanges
  • B65H2701/31 - Textiles threads or artificial strands of filaments
  • B65H2701/5122 - Plastics
  • B65H2701/5136 - Moulded plastic elements
  • B65H2701/51528 - Plastic barrel

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER