493738

Information

• Patent Grant
• 493738

• References
• Source

• Patent Number

  493,738

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1893
  131 years ago

• CPC

  • B23B5/40 - for turning spherical surfaces inside or outside
  • Y10T82/17 - Lathe for pulley
  • Y10T82/2541 - Slide rest
  • Y10T82/2564 - Tailstock
  • Y10T82/26 - Work driver

• US Classifications

  • 082 - Turning
  • 451 - Abrading