2668637

Information

• Patent Grant
• 2668637

• References
• Source

• Patent Number

  2,668,637

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1954
  71 years ago

• CPC

  • G01F11/125 - of the peristaltic pump type
  • B67D1/0001 - by squeezing collapsible or flexible storage containers
  • F04B43/1253 - by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing

• US Classifications

  • 222 - Dispensing
  • 417 - Pumps
  • 418 - Rotary expansible chamber devices