2752680

Information

• Patent Grant
• 2752680

• References
• Source

• Patent Number

  2,752,680

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1956
  68 years ago

• CPC

  • A61C13/245 - Vacuum enhancing devices
  • A61C13/25 - including valve or air passageway leading from suction area to lingual cavity

• US Classifications

  • 433 - Dentistry