3289591

Information

• Patent Grant
• 3289591

• References
• Source

• Patent Number

  3,289,591

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1966
  58 years ago

• CPC

  • F04C5/00 - Rotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable
  • A61C17/04 - Spittoons or saliva removers for dental use
  • A61C17/14 - Dental appliances for receiving spittle, with or without rinsing means therefor
  • F04C29/02 - Lubrication Lubricant separation
  • F04C2/40 - having the movement defined in group F04C2/08 or F04C2/22 and having a hinged member

• US Classifications

  • 417 - Pumps
  • 418 - Rotary expansible chamber devices