US 2,555,666 B2

GPTKB entity

Properties (62)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber gptkb:US_2,555,666
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_3,000,000
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate May 30, 1971
gptkbp:fieldOfUse mechanical engineering
gptkbp:filingDate June 1, 1950
gptkbp:fullText Available online.
https://www.w3.org/2000/01/rdf-schema#label US 2,555,666 B2
gptkbp:internationalClassification F16H 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn May 30, 1951
gptkbp:legalStatus expired
gptkbp:patentCitation gptkb:US_2,555,688_B2
gptkb:US_2,555,673_B2
gptkb:US_2,555,668_B2
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gptkb:US_2,555,670_B2
gptkb:US_2,555,671_B2
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gptkb:US_2,555,665_B2
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gptkb:US_2,555,689_B2
gptkb:US_2,555,667_B2
gptkb:US_2,555,687_B2
US_2,555,700_B2
gptkbp:patentFamily US_2,555,666_B2,_US_2,555,665_B2
gptkbp:patentNumber 2,555,666
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentType utility
gptkbp:priorityDate January 1, 1950
gptkbp:relatedTo gptkb:US_2,555,665_B2
gptkbp:status active
gptkbp:subclass improvements