Patent US3130304A successfully refreshed from Google Patents.
US3130304A
Expired / Lapsed
US
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Deep water isotopic current analyzer
Assignee: Individual
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Filing: 1962-07-26
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Granted: 1964-04-21
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Expires: 1982-07-26
Abstract
No abstract record available.
Inventors
- 👤 William H Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:53
CPC Classifications
G; G21; G21H; G21H5/00; G21H5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
APPARATUS FOR DETERMINING DIRECTION AND VELOCITY OF LIQUID CURRENTS THAT COMPRISES: (A) A LIQUID-TIGHT HOUSING; (B) MEANS FOR IMMERSING THE HOUSING IN A BODY OF LIQUID; (C) A PLURALITY OF RADIATION DETECTORS ARRANGED IN A CIRCULAR ARRAY IN THE HOUSING; (D) AN INJECTOR FOR RADIOACTIVE MATERIAL SPACED CENTRALLY OF THE ARRAY AND EQUIDISTANT FROM EACH OF THE DETECTORS THEREIN; (E) CONTROL MEANS FOR THE INJECTOR FOR INJECTING RADIOACTIVE MATERIAL INTO SAID BODY OF LIQUID; (F) MEANS FOR DETERMINING THE TIME REQUIRED FOR RADIOACTIVE MATERIAL INJECTED BY SAID INJECTOR TO REACH ONE OF THE DETECTORS, AND (G) MEANS FOR IDENTIFYING THE DETECTOR WHICH DETECTS THE RADIOACTIVE MATERIAL.
Claim 2
Dependent Claim
106 words
APPARATUS FOR DETERMINING DIRECTION AND VELOCITY OF LIQUID CURRENTS THAT COMPRISES: (A) A LIQUID-TIGHT HOUSING; (B) MEANS FOR IMMERSING THE HOUSING IN A BODY OF LIQUID; (C) A PLURALITY OF RADIATION DETECTORS ARRANGED IN A CIRCULAR ARRAY IN THE HOUSING; (D) AN INJECTOR FOR RADIOACTIVE MATERIAL SPACED CENTRALLY OF THE ARRAY AND EQUIDISTANT FROM EACH OF THE DETECTORS THEREIN; (E) CONTROL MEANS FOR THE INJECTOR FOR INJECTING RADIOACTIVE MATERIAL INTO SAID BODY OF LIQUID; (F) MEANS FOR DETERMINING THE TIME REQUIRED FOR RADIOACTIVE MATERIAL INJECTED BY SAID INJECTOR TO REACH ONE OF THE DETECTORS, AND (G) MEANS FOR IDENTIFYING THE DETECTOR WHICH DETECTS THE RADIOACTIVE MATERIAL.
References Cited (Backward Citations)
US2617941A
Cited
US2913900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |