2220529

Information

• Patent Grant
• 2220529

• References
• Source

• Patent Number

  2,220,529

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1940
  84 years ago

• CPC

  • B65H49/10 - for one operative package and one or more reserve packages
  • B65H49/12 - the reserve packages being mounted to permit manual or automatic transfer to operating position
  • B65H2701/31 - Textiles threads or artificial strands of filaments

• US Classifications

  • 242 - Winding, tensioning, or guiding