1898414

Information

• Patent Grant
• 1898414

• References
• Source

• Patent Number

  1,898,414

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1933
  91 years ago

• CPC

  • C10G9/08 - Apparatus therefor

• US Classifications

  • 208 - Mineral oils: processes and products
  • 196 - Mineral oils: apparatus