2140046

Information

• Patent Grant
• 2140046

• References
• Source

• Patent Number

  2,140,046

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1938
  86 years ago

• CPC

  • B65H54/18 - forming spools to be loaded into sewing, lace, embroidery, or like machines
  • B65H2701/31 - Textiles threads or artificial strands of filaments

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 493 - Manufacturing container or tube from paper