1887729

Information

• Patent Grant
• 1887729

• References
• Source

• Patent Number

  1,887,729

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1932
  92 years ago

• CPC

  • B22D21/06 - Casting non-ferrous metals with a high melting point
  • Y10S76/11 - Tungsten and tungsten carbide

• US Classifications

  • 164 - Metal founding
  • 076 - Metal tools and implements, making
  • 249 - Static molds