2557649

Information

• Patent Grant
• 2557649

• References
• Source

• Patent Number

  2,557,649

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1951
  73 years ago

• CPC

  • B29B7/42 - with screw or helix
  • A01J17/00 - Kneading machines for butter, or the like
  • B01F15/068 - using heated or cooled stirrers
  • B01F7/00391 - Helices

• US Classifications

  • 165 - Heat exchange