US2809306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear current converter
Assignee: Radiation Research Corp
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Filing: 1951-08-15
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Granted: 1957-10-08
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Expires: 1971-08-15
Abstract
No abstract record available.
Inventors
- 👤 John H Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:36
CPC Classifications
G; G21; G21H; G21H5/00; H; H01; H01H; H01H19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
IN COMBINATION, A SOILD DIELECTRIC IN THE FORM OF A SHEET, A RADIATION SOURCE, MEANS FOR ROTATING SAID DIELECTRIC SHEET WITH RESPECT TO SAID SOURCE IN A PREDETERMINED MANNER TO ESTABLISH A CHARGE PATTERN ON SAID DIELECTRIC, AND MEANS FOR CONVERTING SAID CHARGE PATTERN TO A USEFUL ELECTRICAL OUTPUT.
Claim 2
Dependent Claim
49 words
IN COMBINATION, A SOILD DIELECTRIC IN THE FORM OF A SHEET, A RADIATION SOURCE, MEANS FOR ROTATING SAID DIELECTRIC SHEET WITH RESPECT TO SAID SOURCE IN A PREDETERMINED MANNER TO ESTABLISH A CHARGE PATTERN ON SAID DIELECTRIC, AND MEANS FOR CONVERTING SAID CHARGE PATTERN TO A USEFUL ELECTRICAL OUTPUT.
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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |