2067389

Information

• Patent Grant
• 2067389

• References
• Source

• Patent Number

  2,067,389

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1937
  88 years ago

• CPC

  • B22D7/04 - Casting hollow ingots
  • B22D19/06 - for manufacturing or repairing tools
  • Y10T428/12257 - Only one plane of symmetry

• US Classifications

  • 164 - Metal founding
  • 249 - Static molds