Patent US1099875A successfully refreshed from Google Patents.
Patent US3106519A successfully refreshed from Google Patents.
US3106519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactor control rod drive means
Assignee: General Dynamics Corp
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Filing: 1959-07-28
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Granted: 1963-10-08
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Expires: 1979-07-28
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Schwan
- 👤 Harold A Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:43
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; G21C7/14; G21C7/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A NUCLEAR REACTOR, A REMOTE CONTROL MEANS FOR POSITIONING A VERTICALLY MOVABLE CONTROL ROD IN A NUCLEAR REACTOR, SAID REMOTE CONTROL MEANS INSLUDING AN UNBALANCED ELEMENT CONNECTED TO SAID CONTROL ROD, A TWOPHASE ELECTRIC MOTOR HAVING TWO FIELD WINDINGS, GEARING CONNECTING SAID MOTOR TO SAID ELEMENT FOR MOVING SAID ELEMENT TO A SELECTED REST POSITION, A PAIR FO SINGLE PHASE SUPPLY LINES, ONE SIDE OF BOTH FIELD WINDINGS BEING COUPLED TO ONE OF SAID SUPPLY LINES, A CAPACITOR, ONE SIDE OF SAID CAPACITOR BEING COUPLED TO THE OTHER SIDE OF ONE OF SAID FIELD WINDINGS THE OTHER SIDE OF SAID CAPACITOR BEING COUPLED TO THE OTHER SIDE OF SSAID OTHER FIELD WINDING, FIRST NORMALLY CLOSED SWITCH MEANS COUPLING SAID OTHER SUPPLY LINE TO SAID ONE SIDE OF SAID CAPACITOR, SECOND NORMALLY CLOSED SWITCH MEANS COUPLING SAID OTHER SUP-
Claim 2
Dependent Claim
139 words
IN A NUCLEAR REACTOR, A REMOTE CONTROL MEANS FOR POSITIONING A VERTICALLY MOVABLE CONTROL ROD IN A NUCLEAR REACTOR, SAID REMOTE CONTROL MEANS INSLUDING AN UNBALANCED ELEMENT CONNECTED TO SAID CONTROL ROD, A TWOPHASE ELECTRIC MOTOR HAVING TWO FIELD WINDINGS, GEARING CONNECTING SAID MOTOR TO SAID ELEMENT FOR MOVING SAID ELEMENT TO A SELECTED REST POSITION, A PAIR FO SINGLE PHASE SUPPLY LINES, ONE SIDE OF BOTH FIELD WINDINGS BEING COUPLED TO ONE OF SAID SUPPLY LINES, A CAPACITOR, ONE SIDE OF SAID CAPACITOR BEING COUPLED TO THE OTHER SIDE OF ONE OF SAID FIELD WINDINGS THE OTHER SIDE OF SAID CAPACITOR BEING COUPLED TO THE OTHER SIDE OF SSAID OTHER FIELD WINDING, FIRST NORMALLY CLOSED SWITCH MEANS COUPLING SAID OTHER SUPPLY LINE TO SAID ONE SIDE OF SAID CAPACITOR, SECOND NORMALLY CLOSED SWITCH MEANS COUPLING SAID OTHER SUP-
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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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |