3692091

Information

• Patent Grant
• 3692091

• References
• Source

• Patent Number

  3,692,091

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • B22D9/003 - for top casting

• US Classifications

  • 164 - Metal founding
  • 249 - Static molds