2280970

Information

• Patent Grant
• 2280970

• References
• Source

• Patent Number

  2,280,970

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1942
  82 years ago

• CPC

  • B31C1/086 - expansibles
  • B65H75/242 - Expansible spindles, mandrels or chucks

• US Classifications

  • 242 - Winding, tensioning, or guiding