2189578

Information

• Patent Grant
• 2189578

• References
• Source

• Patent Number

  2,189,578

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1940
  85 years ago

• CPC

  • C23D17/00 - De-enamelling
  • Y10T29/4517 - Rolling deformation or deflection
  • Y10T29/49755 - Separating one material from another

• US Classifications

  • 029 - Metal working
  • 241 - Solid material comminution or disintegration