3831662

Information

• Patent Grant
• 3831662

• References
• Source

• Patent Number

  3,831,662

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • B22C9/084 - Breaker cores
  • B22D31/00 - Cutting-off surplus material

• US Classifications

  • 164 - Metal founding