1509443

Information

• Patent Grant
• 1509443

• References
• Source

• Patent Number

  1,509,443

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1924
  101 years ago

• CPC

  • B23D77/042 - by means of oblique planes
  • Y10T408/858949 - including two-piece collar

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool