2487139

Information

• Patent Grant
• 2487139

• References
• Source

• Patent Number

  2,487,139

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1949
  75 years ago

• CPC

  • B22C5/0463 - Plants

• US Classifications

  • 106 - Compositions: coating or plastic
  • 164 - Metal founding
  • 501 - Compositions: ceramic