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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 in a chamber.
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gptkbp:applicationNumber
|
US_1000000
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gptkbp:applicationType
|
non-provisional
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gptkbp:assignee
|
gptkb:The_United_States_of_America
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gptkbp:citedBy
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gptkb:US_20020012345A1
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gptkbp:claims
|
10
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gptkbp:class
|
F04B 53/00
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gptkbp:country
|
gptkb:United_States
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gptkbp:description
|
This invention relates to methods and apparatus for producing a high vacuum.
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gptkbp:documentType
|
patent document
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gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:fieldOfUse
|
aerospace engineering
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gptkbp:filingDate
|
1957-08-30
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|
https://www.w3.org/2000/01/rdf-schema#label
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US 1000000 B1
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gptkbp:inventor
|
gptkb:Robert_H._Goddard
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gptkbp:inventorCountry
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gptkb:USA
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gptkbp:issueDate
|
1976-08-03
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gptkbp:language
|
English
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gptkbp:legalStatus
|
granted
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gptkbp:patentAbstract
|
A method and apparatus for producing a high vacuum.
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|
gptkbp:patentAssignee
|
gptkb:USA
NASA
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gptkbp:patentCitation
|
gptkb:US_9999999B2
|
|
gptkbp:patentClaim
|
10
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gptkbp:patentClassification
|
F04B
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gptkbp:patentDescription
|
Method of and apparatus for producing a high vacuum.
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|
gptkbp:patentExpiration
|
1993-08-03
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gptkbp:patentFamily
|
US_1000000_B1_family
|
|
gptkbp:patentField
|
aerospace engineering
aerospace technology
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|
gptkbp:patentFilingDate
|
1976-08-03
1957-08-30
|
|
gptkbp:patentInventor
|
gptkb:John_Doe
gptkb:Robert_H._Goddard
|
|
gptkbp:patentNumber
|
1000000
|
|
gptkbp:patentStatus
|
expired
|
|
gptkbp:patentType
|
utility
utility patent
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|
gptkbp:priorityDate
|
1957-08-30
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|
gptkbp:relatedTo
|
rocket propulsion
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gptkbp:status
|
expired
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gptkbp:subclass
|
F04B 53/02
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|
gptkbp:title
|
Method of and apparatus for producing a high vacuum
|