1397307

Information

• Patent Grant
• 1397307

• References
• Source

• Patent Number

  1,397,307

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1921
  104 years ago

• CPC

  • B21D37/04 - Movable or exchangeable mountings for tools
  • Y10T279/17564 - Loose jaws
  • Y10T279/17837 - Plural bolt

• US Classifications

  • 279 - Chucks or sockets
  • 144 - Woodworking