1689154

Information

• Patent Grant
• 1689154

• References
• Source

• Patent Number

  1,689,154

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1928
  96 years ago

• CPC

  • B22D29/02 - Vibratory apparatus specially designed for shaking out flasks
  • B22C19/06 - Devices for rapping or loosening the pattern

• US Classifications

  • 164 - Metal founding
  • 015 - Brushing, scrubbing, and general cleaning
  • 366 - Agitating
  • 404 - Road structure, process, or apparatus