1925150

Information

• Patent Grant
• 1925150

• References
• Source

• Patent Number

  1,925,150

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1933
  91 years ago

• CPC

  • C10C1/16 - Winning of pitch

• US Classifications

  • 208 - Mineral oils: processes and products