|
gptkbp:instanceOf
|
patent
|
|
gptkbp:abstract
|
A method and apparatus for controlling fluid flow.
|
|
gptkbp:applicationDate
|
April 12, 1946
|
|
gptkbp:applicationNumber
|
Serial No. 622,198
|
|
gptkbp:applicationPublication
|
gptkb:US_2,555,620_A1
|
|
gptkbp:applicationType
|
Utility
|
|
gptkbp:assignee
|
The_United_States_of_America_as_represented_by_the_Department_of_the_Army
|
|
gptkbp:citedBy
|
US_3,000,000
|
|
gptkbp:class
|
Fluid control
|
|
gptkbp:examiner
|
gptkb:John_Doe
|
|
gptkbp:fieldOfInvention
|
Fluid control systems
|
|
gptkbp:filedIn
|
gptkb:William_H._McCulloch
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US 2,555,620 B2
|
|
gptkbp:inventiveStep
|
Yes
|
|
gptkbp:inventor
|
gptkb:William_H._McCulloch
|
|
gptkbp:inventorCountry
|
gptkb:USA
|
|
gptkbp:issuedOn
|
May 29, 1951
|
|
gptkbp:legalStatus
|
Granted
|
|
gptkbp:location
|
gptkb:United_States
|
|
gptkbp:maintenanceFee
|
Not paid
|
|
gptkbp:novelty
|
Yes
|
|
gptkbp:numberOfClaims
|
10
|
|
gptkbp:patentCitation
|
gptkb:US_2,555,619_B2
|
|
gptkbp:patentClassification
|
G05D 1/00
|
|
gptkbp:patentExpiration
|
May 29, 1968
|
|
gptkbp:patentFamily
|
gptkb:US_2,555,620
|
|
gptkbp:patentField
|
Control_Systems
Fluid_Dynamics
|
|
gptkbp:patentFilingDate
|
May 29, 1951
April 12, 1946
|
|
gptkbp:patentNumber
|
2,555,620
|
|
gptkbp:patentOwner
|
gptkb:The_United_States_of_America
|
|
gptkbp:patentStatus
|
Expired
|
|
gptkbp:patentType
|
Utility Patent
B2
|
|
gptkbp:priorityDate
|
April 12, 1946
|
|
gptkbp:relatedTo
|
gptkb:US_2,555,619_B2
|
|
gptkbp:status
|
Expired
|
|
gptkbp:subclass
|
Control of fluid flow
|
|
gptkbp:technicalField
|
Engineering
|
|
gptkbp:title
|
Method of and apparatus for controlling the flow of fluids
|