3400412

Information

• Patent Grant
• 3400412

• References
• Source

• Patent Number

  3,400,412

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1968
  56 years ago

• CPC

  • A61C17/14 - Dental appliances for receiving spittle, with or without rinsing means therefor
  • Y10T137/7876 - With external means for opposing bias

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons
  • 137 - Fluid handling
  • 251 - Valves and valve actuation