2051505

Information

• Patent Grant
• 2051505

• References
• Source

• Patent Number

  2,051,505

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1936
  88 years ago

• CPC

  • C09K17/34 - Bituminous materials

• US Classifications

  • 405 - Hydraulic and earth engineering