US 2,555,687 B2

GPTKB entity

Properties (21)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method and apparatus for controlling fluid flow.
gptkbp:applicationNumber Serial No. 622,198
gptkbp:applicationType Utility
gptkbp:assignee The_United_States_of_America_as_represented_by_the_Secretary_of_the_Army
gptkbp:citedBy US_3,000,000
gptkbp:class Fluid handling
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention Fluid control systems
gptkbp:filingDate February 12, 1948
https://www.w3.org/2000/01/rdf-schema#label US 2,555,687 B2
gptkbp:internationalClassification gptkb:F16K
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn May 29, 1951
gptkbp:legalStatus Granted
gptkbp:patentFamily US_2,555,687_B2,_US_2,555,686_B2
gptkbp:priorityDate April 12, 1946
gptkbp:relatedTo gptkb:US_2,555,686_B2
gptkbp:status Expired
gptkbp:subclass Control systems
gptkbp:title Method of and apparatus for controlling the flow of fluids