Statements (16)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:US_patent
|
gptkbp:application |
US139072A
|
gptkbp:assignee |
Bell Telephone Laboratories, Inc.
|
gptkbp:country |
gptkb:United_States
|
gptkbp:fieldOfInvention |
oscillator circuits
transistor circuits |
gptkbp:filingDate |
1950-01-17
|
https://www.w3.org/2000/01/rdf-schema#label |
US2725950A
|
gptkbp:inventedBy |
gptkb:John_B._Johnson
|
gptkbp:language |
English
|
gptkbp:priorityDate |
1950-01-17
|
gptkbp:publicationDate |
1955-12-06
|
gptkbp:status |
expired
|
gptkbp:title |
Transistor oscillator circuit
|
gptkbp:bfsParent |
gptkb:Regency_TR-1_Transistor_Radio
|
gptkbp:bfsLayer |
7
|