1451859

Information

• Patent Grant
• 1451859

• References
• Source

• Patent Number

  1,451,859

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1923
  101 years ago

• CPC

  • F04C29/02 - Lubrication Lubricant separation
  • F04C18/46 - with vanes hinged to the outer member
  • F04C27/02 - Liquid sealing for high-vacuum pumps or for compressors

• US Classifications

  • 418 - Rotary expansible chamber devices