US 4,000,101 B2

GPTKB entity

Properties (48)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber 05/598,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy US_5,000,000
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a novel mechanical device.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1994-12-28
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse manufacturing
renewable energy
sustainability
automation
industrial applications
energy conservation
technology innovation
intellectual property
mechanical systems
commercial applications
energy sector
residential applications
patent law
environmental technology
gptkbp:filingDate 1975-06-30
https://www.w3.org/2000/01/rdf-schema#label US 4,000,101 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1977-12-28
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentCitation US_3,500,000
US_3,600,000
US_3,700,000
US_3,800,000
US_3,900,000
gptkbp:patentFamily gptkb:US_4,000,101
gptkbp:patentNumber 4,000,101
gptkbp:patentType utility
gptkbp:priorityDate 1975-06-30
gptkbp:relatedTo US_3,000,000
gptkbp:status active
gptkbp:subclass energy efficiency