2867869

Information

• Patent Grant
• 2867869

• References
• Source

• Patent Number

  2,867,869

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1959
  66 years ago

• CPC

  • B22D17/14 - Machines with evacuated die cavity
  • B29C45/34 - having venting means
  • Y10S164/09 - Piston-vacuum

• US Classifications

  • 164 - Metal founding