1891744

Information

• Patent Grant
• 1891744

• References
• Source

• Patent Number

  1,891,744

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1932
  92 years ago

• CPC

  • C11D17/00 - Detergent materials characterised by their shape or physical properties
  • C11D13/14 - Shaping
  • Y10S425/111 - Hollow block

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus