2616137

Information

• Patent Grant
• 2616137

• References
• Source

• Patent Number

  2,616,137

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1952
  72 years ago

• CPC

  • B22D7/04 - Casting hollow ingots
  • B22C9/101 - Permanent cores

• US Classifications

  • 249 - Static molds
  • 164 - Metal founding