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gptkbp:instance_of
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gptkb:intellectual_property
|
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gptkbp:abstract
|
This invention relates to electric railways and more particularly to improvements in the construction and operation of electric railways.
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|
gptkbp:application
|
gptkb:US645576_A
utility
|
|
gptkbp:assignee_nationality
|
gptkb:American
|
|
gptkbp:class
|
H02 J
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gptkbp:description
|
The invention provides a system for improving the efficiency of electric railways.
|
|
gptkbp:examines
|
gptkb:James_Smith
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gptkbp:field_of_use
|
gptkb:transportation
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US645576 A
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gptkbp:invention
|
gptkb:Doe_Electric_Railway_Family
gptkb:John_Doe
gptkb:USPTO
gptkb:transportation
1920-05-01
transportation engineering
utility patent
1900-05-01
granted patent
This invention relates to electric railways.
John Doe.
645576
Doe Industries.
Electric railway systems.
An electric railway system with improved efficiency.
US1234567 A
|
|
gptkbp:inventor_nationality
|
gptkb:American
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|
gptkbp:is_cited_in
|
US1234567 A
|
|
gptkbp:is_debated_in
|
gptkb:10
|
|
gptkbp:is_essential_for
|
1899-05-01
|
|
gptkbp:legal_status
|
granted
|
|
gptkbp:location
|
gptkb:United_States
|
|
gptkbp:maintenance
|
paid
|
|
gptkbp:may_be_assigned_to
|
gptkb:Doe_Industries
|
|
gptkbp:non_patent_citations
|
2
|
|
gptkbp:patent_assignees
|
Doe Industries, Smith Corp.
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|
gptkbp:patent_citations
|
gptkb:5
|
|
gptkbp:patent_citations_count
|
5.
|
|
gptkbp:patent_claims
|
10 claims.
|
|
gptkbp:patent_claims_count
|
10.
|
|
gptkbp:patent_description
|
A system for improving electric railway efficiency.
|
|
gptkbp:patent_drawings
|
gptkb:Yes
|
|
gptkbp:patent_expiration_date
|
1920-05-01.
|
|
gptkbp:patent_field_of_use
|
transportation.
|
|
gptkbp:patent_figures
|
gptkb:3
|
|
gptkbp:patent_figures_count
|
3.
|
|
gptkbp:patent_filing
|
Filed on 1900-05-01.
|
|
gptkbp:patent_inventors
|
John Doe, Jane Smith
|
|
gptkbp:patent_issue_date
|
1900-04-03
|
|
gptkbp:patent_legal_status
|
active
|
|
gptkbp:patent_length
|
20 years
|
|
gptkbp:patent_non_patent_citations_count
|
2.
|
|
gptkbp:patent_publication
|
Published on 1900-04-03.
|
|
gptkbp:patent_subfield
|
electric railways
|
|
gptkbp:patent_technical_field
|
electricity.
|
|
gptkbp:patent_title
|
Improvement in Electric Railways
|
|
gptkbp:publication
|
gptkb:US645576_A
|
|
gptkbp:publication_year
|
1900-05-01
|
|
gptkbp:related_to
|
electric railway technology
|
|
gptkbp:release_date
|
1900-04-03
|
|
gptkbp:status
|
expired
|
|
gptkbp:technical_field
|
gptkb:electricity
|
|
gptkbp:title
|
Improvement in Electric Railways
|
|
gptkbp:type_of
|
H02 J3/00
|
|
gptkbp:bfsParent
|
gptkb:Tesla_wireless_power_transmission_system
gptkb:The_Tesla_Generator
|
|
gptkbp:bfsLayer
|
4
|