2137586

Information

• Patent Grant
• 2137586

• References
• Source

• Patent Number

  2,137,586

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1938
  86 years ago

• CPC

  • B65H81/04 - by feeding material obliquely to the axis of the core

• US Classifications

  • 053 - Package making
  • 242 - Winding, tensioning, or guiding