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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.
A novel mechanism for improving efficiency.
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gptkbp:applicationNumber
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Serial No. 622,123
Serial No. 12345678
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gptkbp:applicationStatus
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Published
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gptkbp:applicationType
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Non-provisional
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gptkbp:assignee
|
Example Corporation
The_United_States_of_America_as_represented_by_the_Department_of_the_Army
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gptkbp:citedBy
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US_3,000,000
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gptkbp:claims
|
20
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gptkbp:class
|
Fluid handling
mechanical device
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gptkbp:country
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gptkb:United_States
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gptkbp:description
|
This patent describes a mechanism for...
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gptkbp:examiner
|
gptkb:John_Doe
Jane_Smith
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gptkbp:expirationDate
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1971-05-29
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gptkbp:fieldOfInvention
|
mechanical engineering
Fluid control systems
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gptkbp:filingDate
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February 12, 1948
1951-05-01
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https://www.w3.org/2000/01/rdf-schema#label
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US 2,555,649 B2
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gptkbp:internationalClassification
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F03G
F16K_31/00
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gptkbp:inventor
|
gptkb:John_Doe
gptkb:William_H._McCulloch
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gptkbp:inventorCountry
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gptkb:USA
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gptkbp:issueDate
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1951-05-29
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gptkbp:issuedBy
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gptkb:United_States_Patent_and_Trademark_Office
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gptkbp:issuedOn
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May 29, 1951
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gptkbp:legalStatus
|
Granted
granted
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gptkbp:maintenanceFee
|
paid
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gptkbp:numberOfClaims
|
10
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gptkbp:patentCitation
|
gptkb:US_2,555,648_B2
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gptkbp:patentClassification
|
Fluid control devices
Fluid valves
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gptkbp:patentDescription
|
Describes a method for controlling fluid flow.
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gptkbp:patentExpiration
|
May 29, 1971
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gptkbp:patentFamily
|
gptkb:US_2,555,649
US_2,555,649_B2,_US_2,555,648_B2
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gptkbp:patentField
|
Mechanical engineering
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gptkbp:patentLength
|
20 years
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gptkbp:patentLink
|
https://patents.google.com/patent/US2555649B2
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gptkbp:patentNumber
|
2,555,649
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gptkbp:patentOffice
|
gptkb:United_States_Patent_and_Trademark_Office
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gptkbp:patentType
|
utility
Utility patent
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|
gptkbp:priorityDate
|
1950-05-01
April 12, 1946
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gptkbp:publicationDate
|
May 29, 1951
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gptkbp:relatedTo
|
gptkb:US_2,555,648_B2
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gptkbp:status
|
Active
active
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gptkbp:subclass
|
energy conversion
F16K_31/00
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gptkbp:title
|
Method of and apparatus for controlling the flow of fluids
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