1696474

Information

• Patent Grant
• 1696474

• References
• Source

• Patent Number

  1,696,474

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1928
  96 years ago

• CPC

  • C08B1/12 - Steeping devices

• US Classifications

  • 100 - Presses
  • 210 - Liquid purification or separation
  • 536 - Organic compounds