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gptkbp:instanceOf
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patent
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gptkbp:abstract
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A method and apparatus for controlling fluid flow.
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gptkbp:applicationNumber
|
Serial No. 622,198
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gptkbp:applicationPublication
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gptkb:US_2,555,574_A
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gptkbp:applicationType
|
Non-provisional
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gptkbp:assignee
|
The_United_States_of_America_as_represented_by_the_Department_of_the_Army
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gptkbp:citedBy
|
US_3,000,000
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gptkbp:class
|
Fluid handling
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gptkbp:examiner
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gptkb:John_Doe
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gptkbp:fieldOfInvention
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Fluid control systems
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gptkbp:filingDate
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February 12, 1948
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https://www.w3.org/2000/01/rdf-schema#label
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US 2,555,574 B2
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gptkbp:internationalClassification
|
F16K_31/00
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gptkbp:inventor
|
gptkb:William_H._McCulloch
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gptkbp:inventorCountry
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gptkb:USA
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gptkbp:inventorResidence
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gptkb:Ohio
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gptkbp:issuedOn
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May 29, 1951
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gptkbp:legalStatus
|
Granted
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gptkbp:maintenanceFee
|
Paid
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gptkbp:numberOfClaims
|
10
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gptkbp:patentAbstract
|
Filed
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gptkbp:patentCitation
|
gptkb:US_2,555,573_B2
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|
gptkbp:patentExpiration
|
May 29, 1971
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gptkbp:patentFamily
|
gptkb:US_2,555,574
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gptkbp:patentLink
|
https://patents.google.com/patent/US2555574B2
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gptkbp:patentNumber
|
2,555,574
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gptkbp:patentOffice
|
gptkb:USPTO
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gptkbp:patentType
|
Yes
Utility patent
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|
gptkbp:priorityDate
|
April 12, 1946
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gptkbp:relatedPatent
|
gptkb:US_2,555,573_B2
|
|
gptkbp:status
|
Active
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gptkbp:subclass
|
Control systems
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gptkbp:title
|
Method of and apparatus for controlling the flow of fluids
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