2250488

Information

• Patent Grant
• 2250488

• References
• Source

• Patent Number

  2,250,488

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1941
  83 years ago

• CPC

  • B22C3/00 - Selection of compositions for coating the surfaces of moulds, cores, or patterns
  • B22D27/18 - Measures for using chemical processes for influencing the surface composition of castings

• US Classifications

  • 148 - Metal treatment
  • 106 - Compositions: coating or plastic
  • 164 - Metal founding