3838732

Information

• Patent Grant
• 3838732

• References
• Source

• Patent Number

  3,838,732

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1974
  50 years ago

• CPC

  • B08B15/02 - using chambers or hoods covering the area
  • B22D45/005 - Evacuation of fumes, dust or waste gases during manipulations in the foundry

• US Classifications

  • 164 - Metal founding
  • 454 - Ventilation