3128708

Information

• Patent Grant
• 3128708

• References
• Source

• Patent Number

  3,128,708

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1964
  60 years ago

• CPC

  • F04C2/3566 - the inner and outer member being in contact along more than one line or surface
  • F04C11/005 - of dissimilar working principle

• US Classifications

  • 417 - Pumps
  • 418 - Rotary expansible chamber devices