3525578

Information

• Patent Grant
• 3525578

• References
• Source

• Patent Number

  3,525,578

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1970
  54 years ago

• CPC

  • F04C23/001 - of similar working principle
  • F04C27/02 - Liquid sealing for high-vacuum pumps or for compressors
  • F04C2220/50 - Pumps with means for introducing gas under pressure for ballasting

• US Classifications

  • 418 - Rotary expansible chamber devices
  • 277 - Seal for a joint or juncture