Gray's patent for telephone
GPTKB entity
Properties (57)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:advertising |
limited due to legal issues
|
| gptkbp:applicationType |
utility patent
|
| gptkbp:assignee |
Elisha_Gray_and_Associates
|
| gptkbp:associatedWith |
telecommunication advancements
Elisha_Gray's_inventions Elisha_Gray's_legacy |
| gptkbp:citedBy |
subsequent_telephone_patents
|
| gptkbp:controversy |
Alexander_Graham_Bell's_patent
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:field |
audio engineering
telephony |
| gptkbp:fieldOfUse |
telecommunications
|
| gptkbp:firstPublished |
mixed reactions
|
| gptkbp:followedBy |
improvements in telephone technology
|
| gptkbp:historicalContext |
19th century communication technology
|
| gptkbp:historicalSignificance |
pioneering work in telecommunications
|
| https://www.w3.org/2000/01/rdf-schema#label |
Gray's patent for telephone
|
| gptkbp:impact |
development of modern telephony
|
| gptkbp:influencedBy |
telegraph technology
previous inventions in sound transmission previous telecommunication devices scientific research in acoustics |
| gptkbp:inspiredBy |
acoustic research
|
| gptkbp:inventor |
gptkb:Elisha_Gray
|
| gptkbp:legacy |
contribution to communication technology
|
| gptkbp:legalStatus |
expired
Bell_vs._Gray_case |
| gptkbp:marketedAs |
telecommunication companies
|
| gptkbp:notableEvent |
patent filing date controversy
patent interference case |
| gptkbp:notableFeature |
early telephone technology
electrical signal transmission |
| gptkbp:patentAbstract |
gptkb:Chicago,_Illinois
|
| gptkbp:patentCitation |
Bell's_patent_challenge
Bell's_patent_interference |
| gptkbp:patentExpiration |
1893
|
| gptkbp:patentMaintenanceFee |
17 years
|
| gptkbp:patentNumber |
174465
|
| gptkbp:patentOffice |
gptkb:United_States_Patent_Office
|
| gptkbp:patentType |
non-provisional patent
utility model filed_with_the_USPTO |
| gptkbp:precededBy |
telegraph patents
|
| gptkbp:relatedPatent |
carbon microphone
telephone receiver Bell's_patent_for_telephone |
| gptkbp:relatedTo |
telephone
|
| gptkbp:researchAndDevelopment |
improvements in sound quality
|
| gptkbp:significance |
first patent for an electrical voice transmission device
|
| gptkbp:successor |
later telephone patents
|
| gptkbp:technology |
modern communication systems
electromagnetic devices electrical communication voice transmission technology |
| gptkbp:yearEstablished |
February 14, 1876
March 7, 1876 |