2309312

Information

• Patent Grant
• 2309312

• References
• Source

• Patent Number

  2,309,312

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1943
  81 years ago

• CPC

  • B24B53/083 - for tools having a screw-thread profile

• US Classifications

  • 125 - Stone working