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
|
| 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
|
| https://www.w3.org/2000/01/rdf-schema#label |
US2725950A
|