US2735953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation detector
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:56
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A DETECTOR OF PENETRATIVE RADIATION COMPRISING A CATHODE ARRAY OF HOLLOW TUBULAR ELEMENTS STACKED TOGETHER WITH THEIR SIDE SURFACES DEFINING OPEN SPACES EXTENDING WITHIN THE ARRAY LENGTHWISE THEREOF; AN ANODE HAVING A CHARGED PARTICLE RECEIVING SURFACE WHICH IS SMALLER THAN SAID SIDE SURFACES BY A VERY LARGE FACTOR SUCH AS ONE OVER 100, THE ANODE BEING INSULATINGLY SUPPORTED OUTSIDE OF THE ARRAY NEAR AN END THEREOF TO RECEIVE CHARGED PARTICLES ESCAPING FROM THE ARRAY ALONG SAID SPACES; AND MEANS HAVING AT LEAST TWO TERMINALS AND RESPONSIVE UPON CONNECTION OF SAID TERMINALS TO A PRE-DETERMINED SOURCE OF ELECTRICAL ENERGY TO PROVIDE WITHIN THE ARRAY AND ALONG SAID SPACES ELECTRICAL FIELDS FOR CONTROLLING THE MOVEMENT OF CHARGED PARTICLES ALONG SAID SPACES FROM THE ARRAY TO SAID ANODE, SAID LAST-MENTIONED MEANS BEING THUS RESPONSIVE INDEPENDENTLY OF THE PRESENCE OF ANY POTENTIAL DIFFERENCE BETWEEN THE CATHODE ARRAY AND THE ANODE.
Claim 2
Dependent Claim
146 words
A DETECTOR OF PENETRATIVE RADIATION COMPRISING A CATHODE ARRAY OF HOLLOW TUBULAR ELEMENTS STACKED TOGETHER WITH THEIR SIDE SURFACES DEFINING OPEN SPACES EXTENDING WITHIN THE ARRAY LENGTHWISE THEREOF; AN ANODE HAVING A CHARGED PARTICLE RECEIVING SURFACE WHICH IS SMALLER THAN SAID SIDE SURFACES BY A VERY LARGE FACTOR SUCH AS ONE OVER 100, THE ANODE BEING INSULATINGLY SUPPORTED OUTSIDE OF THE ARRAY NEAR AN END THEREOF TO RECEIVE CHARGED PARTICLES ESCAPING FROM THE ARRAY ALONG SAID SPACES; AND MEANS HAVING AT LEAST TWO TERMINALS AND RESPONSIVE UPON CONNECTION OF SAID TERMINALS TO A PRE-DETERMINED SOURCE OF ELECTRICAL ENERGY TO PROVIDE WITHIN THE ARRAY AND ALONG SAID SPACES ELECTRICAL FIELDS FOR CONTROLLING THE MOVEMENT OF CHARGED PARTICLES ALONG SAID SPACES FROM THE ARRAY TO SAID ANODE, SAID LAST-MENTIONED MEANS BEING THUS RESPONSIVE INDEPENDENTLY OF THE PRESENCE OF ANY POTENTIAL DIFFERENCE BETWEEN THE CATHODE ARRAY AND THE ANODE.
References Cited (Backward Citations)
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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 |