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US 4,000,018 B1
URI:
https://gptkb.org/entity/US_4%2C000%2C018_B1
GPTKB entity
Properties (37)
Predicate
Object
gptkbp:instanceOf
patent
gptkbp:abstract
A device for improving efficiency.
gptkbp:applicationNumber
05/586,123
gptkbp:applicationType
non-provisional
gptkbp:assignee
gptkb:Acme_Corporation
gptkbp:citedBy
US_5,000,000
gptkbp:claims
10
gptkbp:class
mechanical device
gptkbp:examiner
Jane_Smith
gptkbp:fieldOfInvention
mechanical engineering
gptkbp:filingDate
1975-05-30
gptkbp:filingLocation
gptkb:Washington,_D.C.
gptkbp:fullText
yes
https://www.w3.org/2000/01/rdf-schema#label
US 4,000,018 B1
gptkbp:internationalClassification
F03D 1/00
gptkbp:inventor
gptkb:John_Doe
gptkbp:inventorCountry
gptkb:USA
gptkbp:inventorResidence
gptkb:California
gptkbp:issueDate
1977-12-28
gptkbp:issuedBy
gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus
granted
gptkbp:maintenanceFee
paid
gptkbp:numberOfFigures
5
gptkbp:pageCount
12
gptkbp:patentAbstract
This invention relates to a device that enhances energy efficiency.
gptkbp:patentCitation
US_3,000,000
gptkbp:patentClassification
B60K_1/00
gptkbp:patentExpiration
1994-12-28
gptkbp:patentFamily
US_4,000,018_B1,_US_4,000,019_B1
gptkbp:patentImage
image_url_here
gptkbp:patentNumber
4,000,018
gptkbp:patentType
Utility Patent
utility
gptkbp:priorityDate
1975-05-30
gptkbp:relatedTo
US_4,000,017_B1
gptkbp:status
active
gptkbp:subclass
energy efficiency