1327990

Information

• Patent Grant
• 1327990

• References
• Source

• Patent Number

  1,327,990

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1920
  105 years ago

• CPC

  • F04B53/1037 - Flap valves
  • F04B7/0038 - the distribution member forming a single inlet for a plurality of pumping chambers or a multiple discharge for one single pumping chamber
  • F04B9/02 - the means being mechanical
  • F04B9/14 - Pumps characterised by muscle-power operation
  • F04B23/028 - the pump being mounted on top of the reservoir
  • F16N27/00 - Proportioning devices

• US Classifications

  • 222 - Dispensing