|
gptkbp:instanceOf
|
patent
|
|
gptkbp:abstract
|
A device for improving efficiency.
|
|
gptkbp:applicationNumber
|
05/601,123
|
|
gptkbp:applicationType
|
non-provisional
|
|
gptkbp:assignee
|
Example Corporation
|
|
gptkbp:citedBy
|
US_5,000,000
|
|
gptkbp:claims
|
20
|
|
gptkbp:class
|
mechanical device
|
|
gptkbp:examiner
|
Jane_Smith
|
|
gptkbp:expirationDate
|
1994-06-30
|
|
gptkbp:fieldOfInvention
|
mechanical engineering
|
|
gptkbp:filingDate
|
1975-06-30
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US 4,000,050 B2
|
|
gptkbp:internationalClassification
|
F03D 1/00
|
|
gptkbp:inventor
|
gptkb:John_Doe
|
|
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:patentCitation
|
US_3,000,000
|
|
gptkbp:patentFamily
|
US_4,000,050
|
|
gptkbp:patentNumber
|
4,000,050
|
|
gptkbp:patentType
|
utility
|
|
gptkbp:priorityDate
|
1975-06-30
|
|
gptkbp:relatedTo
|
gptkb:US_4,000,049_B2
|
|
gptkbp:status
|
active
|
|
gptkbp:subclass
|
energy efficiency
|
|
gptkbp:title
|
Improved Mechanical Device
|