3568754

Information

• Patent Grant
• 3568754

• References
• Source

• Patent Number

  3,568,754

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1971
  54 years ago

• CPC

  • B22C7/04 - Pattern plates

• US Classifications

  • 164 - Metal founding
  • 269 - Work holders