2785448

Information

• Patent Grant
• 2785448

• References
• Source

• Patent Number

  2,785,448

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1957
  67 years ago

• CPC

  • B22D17/14 - Machines with evacuated die cavity
  • Y10S164/09 - Piston-vacuum

• US Classifications

  • 164 - Metal founding