US2735948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Output
Assignee: —
•
Filing: 1953-01-21
•
Granted: 1956-02-21
•
Expires: 1973-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:08
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/34; H03F3/343; H03F3/347; H10; H10D; H10D88/00; H10D99/00; H10P; H10P95/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
AN ELECTRICAL DEVICE COMPRISING A SEMICONDUCTOR BODY HAVING FOUR ALTERNATING REGIONS OF P-TYPE AND NTYPE CONDUCTIVITY MATERIAL, THE FIRST AND FOURTH OF SAID REGIONS BEING BIASED IN THE FORWARD DIRECTION WITH RESPECT TO THE REGION ADJACENT THERETO, ONE OF THE SECOND AND THIRD REGIONS BEING ADAPTED TO HAVE AN ELECTRICAL INPUT SIGNAL APPLIED THERETO, AND A PLURALITY OF TRANSVERSE CHANNELS FORMED IN SAID BODY, SAID CHANNELS INTERSECTING IN ALTERNATE ARRANGEMENT FIRST SAID FIRST, SECOND AND THIRD REGIONS AND THEN SAID SECOND, THIRD AND FOURTH REGIONS.
References Cited (Backward Citations)
US2402661A
Cited
US2623102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |