1539413

Information

• Patent Grant
• 1539413

• References
• Source

• Patent Number

  1,539,413

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1925
  99 years ago

• CPC

  • B23B23/02 - Dead centres
  • B23B2222/32 - Details of high speed steel
  • B23B2233/24 - Centres or drivers with inserts
  • Y10S29/035 - Shrink fitting with other step
  • Y10T82/2568 - Center

• US Classifications

  • 076 - Metal tools and implements, making
  • 029 - Metal working
  • 082 - Turning
  • 192 - Clutches and power-stop control
  • 285 - Pipe joints or couplings