3511581

Information

• Patent Grant
• 3511581

• References
• Source

• Patent Number

  3,511,581

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1970
  54 years ago

• CPC

  • F04C15/0053 - Venting means for starting

• US Classifications

  • 417 - Pumps
  • 418 - Rotary expansible chamber devices