|
gptkbp:instanceOf
|
patent
|
|
gptkbp:abstract
|
A device for improving efficiency.
|
|
gptkbp:applicationDate
|
1934-01-15
|
|
gptkbp:applicationNumber
|
US_2,000,028
|
|
gptkbp:applicationType
|
non-provisional
|
|
gptkbp:assignee
|
Doe Industries
|
|
gptkbp:assigneeCountry
|
gptkb:USA
gptkb:California,_USA
|
|
gptkbp:citedBy
|
US_3,000,000_B2
|
|
gptkbp:claims
|
10
|
|
gptkbp:class
|
mechanical device
|
|
gptkbp:examiner
|
Jane_Smith
|
|
gptkbp:expirationDate
|
1952-01-15
|
|
gptkbp:fieldOfInvention
|
mechanical engineering
|
|
gptkbp:filingDate
|
1935-01-15
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US 2,000,028 B2
|
|
gptkbp:internationalClassification
|
F03D 1/00
|
|
gptkbp:inventor
|
gptkb:John_Doe
|
|
gptkbp:inventorCountry
|
gptkb:USA
|
|
gptkbp:inventorResidence
|
gptkb:New_York,_USA
|
|
gptkbp:issueDate
|
1935-05-14
|
|
gptkbp:issuedBy
|
gptkb:United_States_Patent_and_Trademark_Office
|
|
gptkbp:legalStatus
|
granted
|
|
gptkbp:maintenanceFee
|
paid
|
|
gptkbp:patentAbstract
|
available
advanced
extensive
successful
significant
continuous
transferable
concise
thorough
industry-wide
through litigation
|
|
gptkbp:patentCitation
|
global
common
ongoing
not applicable
exclusive rights
US_1,500,000_B2
|
|
gptkbp:patentClassification
|
utility patent
|
|
gptkbp:patentFamily
|
Doe Patent Family
|
|
gptkbp:patentField
|
energy technology
|
|
gptkbp:patentFilingDate
|
available online
|
|
gptkbp:patentLength
|
17 years
|
|
gptkbp:patentLitigation
|
possible
prohibited
|
|
gptkbp:patentMaintenanceFee
|
high
detailed
required every 4 years
|
|
gptkbp:patentNumber
|
2,000,028
|
|
gptkbp:patentStatus
|
national
|
|
gptkbp:patentType
|
widely used
utility
granted utility patent
|
|
gptkbp:priorityDate
|
1934-01-15
|
|
gptkbp:relatedTo
|
US_1,000,000_B2
|
|
gptkbp:status
|
active
|
|
gptkbp:subclass
|
energy efficiency
|