1328433

Information

• Patent Grant
• 1328433

• References
• Source

• Patent Number

  1,328,433

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1920
  104 years ago

• CPC

  • B22C19/06 - Devices for rapping or loosening the pattern

• US Classifications

  • 164 - Metal founding