|
gptkbp:instanceOf
|
patent
|
|
gptkbp:abstract
|
A method and apparatus for controlling fluid flow.
|
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gptkbp:applicationDate
|
1956-09-25
|
|
gptkbp:applicationNumber
|
Serial No. 610,198
|
|
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
|
10
|
|
gptkbp:examiner
|
gptkb:John_Doe
|
|
gptkbp:expirationDate
|
1976-06-16
|
|
gptkbp:fieldOfInvention
|
Fluid control systems
|
|
gptkbp:filingCountry
|
gptkb:USA
|
|
gptkbp:filingDate
|
1956-09-25
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US 2,890,143 B2
|
|
gptkbp:internationalClassification
|
F16K_31/00
|
|
gptkbp:inventor
|
gptkb:William_H._McCulloch
|
|
gptkbp:inventorCountry
|
gptkb:USA
|
|
gptkbp:issuedOn
|
1959-06-16
|
|
gptkbp:legalStatus
|
Granted
|
|
gptkbp:maintenanceFee
|
Paid
|
|
gptkbp:patentFamily
|
US_2,890,143_B2,_US_3,000,000,_US_3,500,000
|
|
gptkbp:patentNumber
|
2890143
|
|
gptkbp:patentOffice
|
gptkb:USPTO
|
|
gptkbp:patentType
|
Utility Patent
B2
|
|
gptkbp:priorityDate
|
1956-09-25
|
|
gptkbp:relatedPatent
|
gptkb:US_2,890,145_B2
gptkb:US_2,890,146_B2
gptkb:US_2,890,148_B2
gptkb:US_2,890,147_B2
gptkb:US_2,890,144_B2
|
|
gptkbp:status
|
Active
|
|
gptkbp:title
|
Method of and apparatus for controlling the flow of fluids
|
|
gptkbp:USClassification
|
137/625
|