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gptkbp:instanceOf
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patent
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gptkbp:abstract
|
A method and apparatus for producing a high vacuum.
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gptkbp:applicationNumber
|
US_3,000,001
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gptkbp:applicationPublication
|
gptkb:US_3,000,001_A1
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gptkbp:applicationType
|
non-provisional
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gptkbp:assignee
|
gptkb:Goddard_Space_Flight_Center
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gptkbp:citedBy
|
US_3,500,000
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gptkbp:class
|
B01D 53/00
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gptkbp:country
|
gptkb:United_States
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gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:expirationDate
|
1981-09-26
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gptkbp:fieldOfInvention
|
vacuum technology
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gptkbp:filingDate
|
1957-12-30
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gptkbp:grantDate
|
1961-09-26
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https://www.w3.org/2000/01/rdf-schema#label
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US 3,000,001 B1
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gptkbp:inventor
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gptkb:Robert_H._Goddard
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gptkbp:inventorCountry
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gptkb:USA
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gptkbp:inventorResidence
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gptkb:Massachusetts
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gptkbp:legalStatus
|
patent granted
|
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gptkbp:maintenanceFee
|
paid
|
|
gptkbp:patentAssignee
|
gptkb:USA
NASA
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gptkbp:patentCitation
|
US_2,500,000
US_2,500,000,_US_3,500,000
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gptkbp:patentClassification
|
B01D
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gptkbp:patentDescription
|
Describes a method for achieving high vacuum.
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gptkbp:patentExpiration
|
1981-09-26
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gptkbp:patentFamily
|
US_3,000,001_B1,_US_3,500,000
|
|
gptkbp:patentField
|
Engineering
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gptkbp:patentFilingDate
|
1958-01-01
1957-12-30
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gptkbp:patentImage
|
link_to_image.jpg
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|
gptkbp:patentInventor
|
gptkb:Robert_H._Goddard
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gptkbp:patentMaintenanceFee
|
maintained
|
|
gptkbp:patentNumber
|
3,000,001
US_3,000,001
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gptkbp:patentOwner
|
gptkb:Goddard_Space_Flight_Center
|
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gptkbp:patentStatus
|
active
granted
filed
patent granted on 1961-09-26
|
|
gptkbp:patentType
|
active
utility
non-provisional
Utility patent for inventions.
|
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gptkbp:priorityDate
|
1957-12-30
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gptkbp:relatedTo
|
rocket propulsion
|
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gptkbp:status
|
active
|
|
gptkbp:subclass
|
B01D 53/02
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gptkbp:title
|
Method of and apparatus for producing a high vacuum
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