2381870

Information

• Patent Grant
• 2381870

• References
• Source

• Patent Number

  2,381,870

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1945
  79 years ago

• CPC

  • B65H75/14 - with two end flanges
  • B65H2701/31 - Textiles threads or artificial strands of filaments
  • B65H2701/5136 - Moulded plastic elements
  • B65H2701/51524 - Paperboard barrel
  • Y10S493/954 - Spool
  • Y10T29/49993 - Filling of opening

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 029 - Metal working
  • 068 - Textiles: fluid treating apparatus
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 493 - Manufacturing container or tube from paper