2085268

Information

• Patent Grant
• 2085268

• References
• Source

• Patent Number

  2,085,268

• Date Filed

  Not available

• Date Issued

  Tuesday, June 29, 1937
  87 years ago

• CPC

  • A61C13/25 - including valve or air passageway leading from suction area to lingual cavity
  • A61C13/245 - Vacuum enhancing devices
  • Y10T137/7888 - With valve member flexing about securement

• US Classifications

  • 433 - Dentistry
  • 137 - Fluid handling