2789326

Information

• Patent Grant
• 2789326

• References
• Source

• Patent Number

  2,789,326

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1957
  67 years ago

• CPC

  • B22C7/065 - Venting means

• US Classifications

  • 164 - Metal founding
  • 052 - Static structures