1620915

Information

• Patent Grant
• 1620915

• References
• Source

• Patent Number

  1,620,915

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1927
  97 years ago

• CPC

  • C04B28/14 - containing calcium sulfate cements
  • B28C5/383 - comprising stirrers to effect the mixing

• US Classifications

  • 106 - Compositions: coating or plastic