3512747

Information

• Patent Grant
• 3512747

• References
• Source

• Patent Number

  3,512,747

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1970
  54 years ago

• CPC

  • B28B23/0068 - Embedding lost cores
  • Y10S249/02 - Paper core

• US Classifications

  • 249 - Static molds