3612089

Information

• Patent Grant
• 3612089

• References
• Source

• Patent Number

  3,612,089

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1971
  53 years ago

• CPC

  • A61C17/04 - Spittoons or saliva removers for dental use
  • A61M1/005 - using valves with freely moving parts
  • Y10T137/2577 - Liquid level responsive
  • Y10T137/3099 - Float responsive
  • Y10T137/3109 - Liquid filling by evacuating container

• US Classifications

  • 137 - Fluid handling
  • 433 - Dentistry
  • 604 - Surgery