US 2,555,557 B2

GPTKB entity

Properties (45)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method and apparatus for controlling the flow of fluids.
gptkbp:applicationDate February 12, 1946
gptkbp:applicationNumber Serial No. 622,198
gptkbp:assignee The_United_States_of_America_as_represented_by_the_Department_of_the_Army
gptkbp:citedBy US_5,000,000
US_3,000,000
US_6,000,000
US_3,500,000
US_4,000,000
gptkbp:claims 20 claims.
gptkbp:examiner gptkb:John_Doe
gptkbp:expirationDate May 29, 1971
gptkbp:fieldOfInvention Fluid control systems
gptkbp:filingLocation gptkb:United_States_Patent_and_Trademark_Office
gptkbp:firstClaim A method for controlling fluid flow.
An apparatus for controlling fluid flow.
A control system.
A flow meter.
A fluid actuator.
A pressure regulator.
A valve mechanism.
gptkbp:grantDate May 29, 1951
https://www.w3.org/2000/01/rdf-schema#label US 2,555,557 B2
gptkbp:internationalClassification F16K_31/00
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn May 29, 1951
gptkbp:legalStatus Granted
gptkbp:maintenanceFee Required
gptkbp:ninthClaim A control valve.
A fluid distribution system.
A method for fluid measurement.
gptkbp:patentFamily US_2,555,557_B2,_US_2,555,558_B2
gptkbp:patentNumber 2,555,557
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentType Utility Patent
gptkbp:priorityDate April 12, 1946
gptkbp:relatedPatent gptkb:US_2,555,560_B2
gptkb:US_2,555,559_B2
gptkb:US_2,555,558_B2
gptkb:US_2,555,562_B2
gptkb:US_2,555,561_B2
gptkbp:status Active
gptkbp:subclass F16K_31/00
gptkbp:title Method of and apparatus for controlling the flow of fluids