3662815

Information

• Patent Grant
• 3662815

• References
• Source

• Patent Number

  3,662,815

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • B22D13/104 - Cores
  • B22D13/108 - Removing of casting

• US Classifications

  • 164 - Metal founding