Patent US1902501A successfully refreshed from Google Patents.
US2802113A
Expired / Lapsed
US
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Apparatus for measuring exposure to radiant energy
Assignee: Ohmart Corp
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Filing: 1952-04-17
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Granted: 1957-08-06
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Expires: 1972-04-17
Abstract
No abstract record available.
Inventors
- 👤 Ohmart Philip Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:24
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/02; H01J47/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A DOSIMETER COMPRISING AN OUTER CASING HAVING AN OPEN END AND A CLOSED END, A CAPACITOR MOUNTED WITHIN SAID CASING ADJACENT TO THE CLOSED END THEREOF, A RADIANT ENERGY ELECTRIC GENERATOR DISPOSED WITHIN SAID CASING, SAID RADIANT ENERGY ELECTRIC GENERATOR OHMART CELL INCLUDING A POSITIVE ELECTRODE, A NEGATIVE ELECTRODE ELECTRICALLY INSULATED FROM THE POSITIVE ELECTRODE AND CONSTITUTED BY A MATERIAL CHEMICALLY DISSIMILAR FROM SAID POSITIVE ELECTRODE AND A GAS IN CONTACT WITH SAID ELECTRODES, SAID NEGATIVE ELECTRODE AND ONE LEAD OF SAID CAPACITOR BEING IN ELECTRICAL CONNECTION WITH SAID CASING, SAID POSITIVE ELECTRODE BEING CONNECTED TO A SECOND LEAD OF SAID CAPACITOR AND INSULATED ELECTRICALLY FROM SAID CASING, MOVABLE CONTACT MEMBER LOCATED WITHIN SAID CASING AT A POINT SUBSTANTIALLY REMOVED FROM THE OPEN END THEREOF AND DISPLACED FOR SELECTED ELECTRICAL CONNECTION WITH SAID SECOND LEAD OF SAID CAPACITOR.
Claim 2
Dependent Claim
138 words
A DOSIMETER COMPRISING AN OUTER CASING HAVING AN OPEN END AND A CLOSED END, A CAPACITOR MOUNTED WITHIN SAID CASING ADJACENT TO THE CLOSED END THEREOF, A RADIANT ENERGY ELECTRIC GENERATOR DISPOSED WITHIN SAID CASING, SAID RADIANT ENERGY ELECTRIC GENERATOR OHMART CELL INCLUDING A POSITIVE ELECTRODE, A NEGATIVE ELECTRODE ELECTRICALLY INSULATED FROM THE POSITIVE ELECTRODE AND CONSTITUTED BY A MATERIAL CHEMICALLY DISSIMILAR FROM SAID POSITIVE ELECTRODE AND A GAS IN CONTACT WITH SAID ELECTRODES, SAID NEGATIVE ELECTRODE AND ONE LEAD OF SAID CAPACITOR BEING IN ELECTRICAL CONNECTION WITH SAID CASING, SAID POSITIVE ELECTRODE BEING CONNECTED TO A SECOND LEAD OF SAID CAPACITOR AND INSULATED ELECTRICALLY FROM SAID CASING, MOVABLE CONTACT MEMBER LOCATED WITHIN SAID CASING AT A POINT SUBSTANTIALLY REMOVED FROM THE OPEN END THEREOF AND DISPLACED FOR SELECTED ELECTRICAL CONNECTION WITH SAID SECOND LEAD OF SAID CAPACITOR.
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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) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |