2122022

Information

• Patent Grant
• 2122022

• References
• Source

• Patent Number

  2,122,022

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1938
  86 years ago

• CPC

  • B22C17/10 - Turning-over pattern plate and flask only
  • B22C15/14 - involving pneumatic or hydraulic mechanisms

• US Classifications

  • 164 - Metal founding