1912394

Information

• Patent Grant
• 1912394

• References
• Source

• Patent Number

  1,912,394

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1933
  91 years ago

• CPC

  • C10C1/14 - Winning of tar oils from tar

• US Classifications

  • 208 - Mineral oils: processes and products