3583468

Information

• Patent Grant
• 3583468

• References
• Source

• Patent Number

  3,583,468

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1971
  53 years ago

• CPC

  • B22C1/165 - in the manufacture of multilayered shell moulds
  • B22C9/126 - Hardening by freezing

• US Classifications

  • 164 - Metal founding