1747485

Information

• Patent Grant
• 1747485

• References
• Source

• Patent Number

  1,747,485

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1930
  94 years ago

• CPC

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

• US Classifications

  • 164 - Metal founding
  • 366 - Agitating