US3250937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low background nuclear radiation detector
Assignee: Laboratory For Electronics Inc
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Filing: 1962-01-22
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Granted: 1966-05-10
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Victor C Woodworth
- 👤 James E Leone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:47
CPC Classifications
H; H01; H01J; H01J47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A RADIATION DETECTOR SYSTEM COMPRISING, A GENERALLY CUP-SHAPED ENVELOPE, THE INNER SURFACE OF SAID ENVELOPE BEING ELECTRICALLY CONDUCTING; A SINGLE LOOP ELECTRODE EXTENDING INTO SAID ENVELOPE, SAID LOOP ELECTRODE BEING ELECTRICALLY ISOLATED FROM SAID INNER ENVELOPE SURFACE; A METALLIC FLANGE MOUNTED ON THE PERIPHERY OF THE OPEN END OF SAID ENVELOPE AND EXTENDING INWARDLY THEREFROM, FORMING A CIRCULAR WINDOW OF DIAMETER SMALLER THAN SAID ENVELOPE DIAMETER; A TH IN MEMBRANE SEALING SAID WINDOW; A PARTITION DISPOSED ENTIRELY WITHIN SAID CUP-SHAPED ENVELOPE, SAID PARTITION HAVING A CIRCULAR OPENING ADJACENT TO AND CO-EXTENSIVE WITH THE PERIPHERY OF SAID WINDOW, THE INNER AND OUTER SURFACES OF SAID PARTITION BEING ELECTRICALLY CONDUCTING AND ELECTRICALLY CONNECTED TO SAID INNER SURFACE OF SAID CUP-SHAPED ENVELOPE; A CENTRAL ELECTRODE EXTENDING INTO THE VOLUME ENCLOSED BY SAID PARTITION AND SAID MEMBRANE, SAID CENTRAL ELECTRODE BEING ELECTRICALLY ISOLATED FROM SAID PARTITION INNER SURFACE AND SAID LOOP ELECTRODE.
Claim 2
Dependent Claim
148 words
A RADIATION DETECTOR SYSTEM COMPRISING, A GENERALLY CUP-SHAPED ENVELOPE, THE INNER SURFACE OF SAID ENVELOPE BEING ELECTRICALLY CONDUCTING; A SINGLE LOOP ELECTRODE EXTENDING INTO SAID ENVELOPE, SAID LOOP ELECTRODE BEING ELECTRICALLY ISOLATED FROM SAID INNER ENVELOPE SURFACE; A METALLIC FLANGE MOUNTED ON THE PERIPHERY OF THE OPEN END OF SAID ENVELOPE AND EXTENDING INWARDLY THEREFROM, FORMING A CIRCULAR WINDOW OF DIAMETER SMALLER THAN SAID ENVELOPE DIAMETER; A TH IN MEMBRANE SEALING SAID WINDOW; A PARTITION DISPOSED ENTIRELY WITHIN SAID CUP-SHAPED ENVELOPE, SAID PARTITION HAVING A CIRCULAR OPENING ADJACENT TO AND CO-EXTENSIVE WITH THE PERIPHERY OF SAID WINDOW, THE INNER AND OUTER SURFACES OF SAID PARTITION BEING ELECTRICALLY CONDUCTING AND ELECTRICALLY CONNECTED TO SAID INNER SURFACE OF SAID CUP-SHAPED ENVELOPE; A CENTRAL ELECTRODE EXTENDING INTO THE VOLUME ENCLOSED BY SAID PARTITION AND SAID MEMBRANE, SAID CENTRAL ELECTRODE BEING ELECTRICALLY ISOLATED FROM SAID PARTITION INNER SURFACE AND SAID LOOP ELECTRODE.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |