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US2773225A Expired / Lapsed US ⏱️ 0.0 years remaining

Semiconductor device

Assignee: CBS Broadcasting Inc
•
Filing: 1953-04-06
•
Granted: 1956-12-04
•
Expires: 1973-04-06
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Jones

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:45
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/60; H10W70/67; H10W70/69; H10D; H10D99/00; H10W72/00; H10W76/00; H10W76/60

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 217 words
A TRANSISTOR COMPRISING, A CYLINDRICAL PLASTIC HOUSING HAVING ONE OPEN END AND AN OPENING FORMED IN THE OTHER END THEREOF, A PLUG INSERTED AND SEALED INTO SAID OPEN END, THREE CONDUCTING LEADS SEALED THROUGH SAID PLUG AND INSULATED FROM ONE ANOTHER, A WHISKER OF BERYLLIUM COPPER MOUNTED ON ONE OF SAID LEADS WITHIN SAID HOUSING, A WHISKER OF PHOSPHOR BRONZE MOUNTED ON A SECOND OF SAID LEADS WITHIN SAID HOUSING, SAID WHISKERS BEING MOUNTED ON SAID LEADS IN NORMALLY DIVERGING RELATIONSHIP, AN L-SHAPED MEMBER MOUNTED ON THE THIRD OF SAID LEADS WITHIN SAID HOUSING, ONE LEG OF SAID L-SHAPED MEMBER BEING PARALLEL TO THE AXIS OF SAID CYLINDRICAL HOUSING, THE OTHER LEG BEING PERPENDICULAR THERETO, A CUBE OF GERMANIUM BEING MOUNTED ON SAID OTHER LEG AND FACING SAID OPEN END, AND A DISK-SHAPED LOCATING MEMBER HAVING AN APERTURE FORMED THEREIN ATTACHED TO SAID L-SHAPED MEMBER AND BEING DISPOSED ADJACENT SAID CUBE, SAID APERTURE BEING LARGER THAN THE TOTAL DIAMETERS OF SAID WHISKERS BY A PREDETERMINED AMOUNT, SAID WHISKERS PASSING THROUGH SAID APERTURE AND BEING RESTRAINED FROM DIVERGENCE BEYOND SAID PREDETERMINED AMOUNT, SAID WHISKERS EACH HAVING AN S-SHAPED BEND FORMED THEREIN TO CAUSE THEM TO BEAR UPON SAID CUBE OF GERMANIUM WITH A PREDETERMINED PRESSURE, AND SAID OPENING IN SAID HOUSING PERMITTING THE INTRODUCTION OF AN IMPREGNATING COMPOUND.

References Cited (Backward Citations)

BE514627A Cited
US2606960A Cited
US2634323A Cited
US2609429A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-12-04 1960-06-04 1960-12-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-12-04 1964-06-04 1964-12-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-12-04 1968-06-04 1968-12-04 $7700.00 Window Closed / Lapsed

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