3121926

Information

• Patent Grant
• 3121926

• References
• Source

• Patent Number

  3,121,926

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1964
  60 years ago

• CPC

  • B22D17/14 - Machines with evacuated die cavity
  • Y10S29/044 - Vacuum
  • Y10S164/09 - Piston-vacuum

• US Classifications

  • 164 - Metal founding
  • 029 - Metal working