3880061

Information

• Patent Grant
• 3880061

• References
• Source

• Patent Number

  3,880,061

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  49 years ago

• CPC

  • B23K9/325 - Devices for supplying or evacuating shielding gas
  • B08B15/00 - Preventing escape of dirt or fumes from the area where they are produced Collecting or removing dirt or fumes from that area
  • B25H1/20 - with provision for shielding the work area
  • B08B2215/006 - Suction tables
  • Y10S55/29 - Air curtains

• US Classifications

  • 454 - Ventilation
  • 055 - Gas separation