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gptkbp:instanceOf
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patent
|
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gptkbp:abstract
|
An apparatus for controlling fluid flow.
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gptkbp:applicationDate
|
1949-07-01
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gptkbp:applicationNumber
|
Serial No. 626,198
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gptkbp:applicationType
|
Non-provisional
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|
gptkbp:assignee
|
gptkb:The_United_States_of_America
|
|
gptkbp:citedBy
|
US_3,000,000
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gptkbp:class
|
Fluid handling
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|
gptkbp:description
|
A method for controlling fluid flow.
|
|
gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:fieldOfInvention
|
Fluid control
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gptkbp:filingDate
|
1949-07-01
|
|
gptkbp:grantDate
|
1951-05-29
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US 2,555,661
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|
gptkbp:inventor
|
gptkb:William_H._McCulloch
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gptkbp:inventorResidence
|
American
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gptkbp:issuedOn
|
1951-05-29
|
|
gptkbp:legalStatus
|
Expired due to failure to pay maintenance fees.
|
|
gptkbp:maintenanceFee
|
Not paid.
|
|
gptkbp:numberOfClaims
|
10
|
|
gptkbp:patentAssignee
|
United_States.
The_United_States_of_America_as_represented_by_the_Secretary_of_the_Army.
|
|
gptkbp:patentCitation
|
Cited by 5 patents.
|
|
gptkbp:patentClassification
|
B67D 7/00
|
|
gptkbp:patentExpiration
|
1971-05-29
1971-05-29.
|
|
gptkbp:patentFamily
|
Method and apparatus for controlling fluid flow.
US_2,555,661_family
|
|
gptkbp:patentFamilyMembers
|
US_2,555,660,_US_2,555,662.
|
|
gptkbp:patentField
|
Engineering
Fluid dynamics.
Fluid control.
|
|
gptkbp:patentFilingDate
|
1949-07-01.
1951-05-29.
|
|
gptkbp:patentInventor
|
United_States.
William_H._McCulloch.
|
|
gptkbp:patentLength
|
20 years
|
|
gptkbp:patentNumber
|
2,555,661
626198.
|
|
gptkbp:patentOffice
|
gptkb:United_States_Patent_and_Trademark_Office
|
|
gptkbp:patentStatus
|
Expired due to non-payment.
Expired.
Granted.
Filed.
|
|
gptkbp:patentType
|
Utility
Granted.
Utility patent.
Utility.
Government.
|
|
gptkbp:priorityDate
|
1949-07-01
|
|
gptkbp:relatedPatent
|
gptkb:US_2,555,660
|
|
gptkbp:relatedTo
|
gptkb:US_2,555,660
|
|
gptkbp:status
|
Expired
|
|
gptkbp:subclass
|
Control systems
|
|
gptkbp:title
|
Method of and apparatus for controlling the flow of fluids
|