US 4800001 A

GPTKB entity

Statements (75)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes a method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 07/123,456
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy gptkb:US_4900001_A
gptkbp:claims 10
gptkbp:class Mechanical_Systems
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2006-01-31
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filedIn gptkb:John_Doe
gptkbp:filingDate 1987-06-15
https://www.w3.org/2000/01/rdf-schema#label US 4800001 A
gptkbp:internationalClassification F03B_13/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn 1989-01-31
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
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gptkbp:patentFamily US_4800001_A,_US_4900001_A,_US_5000001_A
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1987-06-15
gptkbp:relatedTo gptkb:US_4700001_A
gptkbp:status granted
gptkbp:subclass Efficiency Improvement
gptkbp:title Method for improving efficiency