US 2,555,572

GPTKB entity

Properties (47)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an innovative engine design.
gptkbp:applicationDate 1949-05-01
gptkbp:applicationNumber gptkb:US_2,555,572
gptkbp:applicationType non-provisional
gptkbp:citedBy US_3,000,000
gptkbp:claims 10 claims
gptkbp:class engine technology
gptkbp:country gptkb:United_States
gptkbp:description a new type of engine
gptkbp:expirationDate 1971-05-01
gptkbp:fieldOfInvention automotive technology
https://www.w3.org/2000/01/rdf-schema#label US 2,555,572
gptkbp:inventiveStep yes
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:isNotableFor yes
gptkbp:issuedBy gptkb:John_Doe
gptkbp:issuedOn 1951-05-01
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:novelty yes
gptkbp:patentAbstract An innovative engine design that improves efficiency.
gptkbp:patentAssignee Doe Industries
gptkbp:patentCitation cited by 5 other patents
gptkbp:patentClassification F02B
gptkbp:patentDescription Detailed description of the engine design.
gptkbp:patentExpiration 1971-05-01
gptkbp:patentFamily US_2,555,572_family
gptkbp:patentField mechanical engineering
gptkbp:patentFilingDate 1949-05-01
1951-05-01
gptkbp:patentImage image_url_here
gptkbp:patentInventor gptkb:John_Doe
gptkbp:patentLink link_to_patent
gptkbp:patentMaintenanceFee maintenance fees paid.
gptkbp:patentNumber 2,555,572
gptkbp:patentOffice gptkb:United_States_Patent_and_Trademark_Office
gptkbp:patentStatus active
patent granted
gptkbp:patentType utility
Utility patent for a new invention.
gptkbp:priorityDate 1948-06-15
gptkbp:relatedPatent gptkb:US_2,555,573
gptkbp:relatedTo mechanical engineering
gptkbp:status granted
gptkbp:subclass internal combustion engines