Patent US2738431A successfully refreshed from Google Patents.
US2738431A
Expired / Lapsed
US
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Multiple-plate radiation detectors
Assignee: Texaco Inc
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Filing: 1952-02-14
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Granted: 1956-03-13
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Expires: 1972-02-14
Abstract
No abstract record available.
Inventors
- 👤 Herzog Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:59
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A DETECTOR OF PENETRATIVE RADIATION COMPRISING A CATHODE ARRAY INCLUDING A PLURALITY OF WAFER-LIKE ELEMENTS STACKED TOGETHER WITH THEIR SURFACES IN SPACED-APART AND COEXTENSIVE RELATIONSHIP; AN ANODE INSULATINGLY SUPPORTED WITHIN THE ARRAY TO RECEIVE THEREWITHIN CHARGED PARTICLES ESCAPING FROM A PLURALITY OF SAID ELEMENTS, TERMINAL MEANS CONNECTABLE TO AN EXTERNAL HIGH VOLTAGE SOURCE FOR ESTABLISHING AN ELECTRIC FIELD BETWEEN SAID ARRAY AND SAID ANODE; AND MEANS RESPONSIVE UPON CONNECTION OF THE ARRAY TO ANOTHER SOURCE OF ELECTRICAL ENERGY TO PROVIDE WITHIN THE ARRAY AND SUBSTANTIALLY THROUGHOUT THE SPACES BETWEEN SAID WAFER-LIKE ELEMENTS ELECTRIC FIELDS SUPPLEMENTING SAID FIRSTMENTIONED FIELD IN CONTROLLING THE MOVEMENT OF NEGATIVE CHARGED PARTICLES ALONG SAID SPACES AND TOWARD SAID ANODE.
Claim 2
Dependent Claim
113 words
A DETECTOR OF PENETRATIVE RADIATION COMPRISING A CATHODE ARRAY INCLUDING A PLURALITY OF WAFER-LIKE ELEMENTS STACKED TOGETHER WITH THEIR SURFACES IN SPACED-APART AND COEXTENSIVE RELATIONSHIP; AN ANODE INSULATINGLY SUPPORTED WITHIN THE ARRAY TO RECEIVE THEREWITHIN CHARGED PARTICLES ESCAPING FROM A PLURALITY OF SAID ELEMENTS, TERMINAL MEANS CONNECTABLE TO AN EXTERNAL HIGH VOLTAGE SOURCE FOR ESTABLISHING AN ELECTRIC FIELD BETWEEN SAID ARRAY AND SAID ANODE; AND MEANS RESPONSIVE UPON CONNECTION OF THE ARRAY TO ANOTHER SOURCE OF ELECTRICAL ENERGY TO PROVIDE WITHIN THE ARRAY AND SUBSTANTIALLY THROUGHOUT THE SPACES BETWEEN SAID WAFER-LIKE ELEMENTS ELECTRIC FIELDS SUPPLEMENTING SAID FIRSTMENTIONED FIELD IN CONTROLLING THE MOVEMENT OF NEGATIVE CHARGED PARTICLES ALONG SAID SPACES AND TOWARD SAID ANODE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |