3894820

Information

• Patent Grant
• 3894820

• References
• Source

• Patent Number

  3,894,820

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1975
  49 years ago

• CPC

  • F01C19/06 - of resilient material

• US Classifications

  • 418 - Rotary expansible chamber devices