US 2,555,662 B2

GPTKB entity

Properties (30)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method and apparatus for controlling fluid flow.
gptkbp:applicationNumber Serial No. 622,123
gptkbp:applicationType Non-provisional
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:country gptkb:United_States
gptkbp:examiner gptkb:John_Doe
gptkbp:expirationDate May 29, 1971
gptkbp:fieldOfInvention Fluid control systems
gptkbp:filingDate February 12, 1946
https://www.w3.org/2000/01/rdf-schema#label US 2,555,662 B2
gptkbp:internationalClassification gptkb:F16K
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn May 29, 1951
gptkbp:legalStatus Active
gptkbp:maintenanceFee Paid
gptkbp:patentClassification Control systems
Fluid control devices
gptkbp:patentNumber 2,555,662
gptkbp:patentType Utility patent
gptkbp:priorityDate April 12, 1946
gptkbp:relatedTo gptkb:US_2,555,661_B2
gptkb:US_2,555,663_B2
gptkbp:title Method of and apparatus for controlling the flow of fluids