2250489

Information

• Patent Grant
• 2250489

• References
• Source

• Patent Number

  2,250,489

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1941
  83 years ago

• CPC

  • B22D27/18 - Measures for using chemical processes for influencing the surface composition of castings

• US Classifications

  • 420 - Alloys or metallic compositions