Patent US3018240A successfully refreshed from Google Patents.
US3018240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring driven actuating mechanism for nuclear reactor control
Assignee: Individual
•
Filing: 1958-01-21
•
Granted: 1962-01-23
•
Expires: 1978-01-21
Abstract
No abstract record available.
Inventors
- 👤 Bevilacqua Frank
- 👤 Donald F Uecker
- 👤 Edward F Groh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:26
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/10; G21C7/12; G21C7/14; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN ASSEMBLY COMPRISING A NUCLEAR REACTOR, A STRAIGHT CHANNEL EXTENDING THEREINTO, A ROTATABLE DRUM POSITIONED ADJACENT AN END OF THE CHANNEL, A NEUTRON ABSORBER, A SPRING STRIP CARRYING THE NEUTRON ABSORBER AND HAVING A FREE END EXTENDING INTO THE CHANNEL, MEANS ATTACHING THE OTHER END OF THIS SPRING STRIP TO THE DRUM, MEANS FOR ROTATING THE DRUM IN ONE DIRECTION TO WIND THE SPRING STRIP ON THE DRUM AND TO WITHDRAW IT FROM THE CHANNEL, AND ANTI-FRICTION MEANS CLOSE TO AND SPACED ABOUT THE DRUM, AND MEANS FOR RELEASING THE DRUM TO MAKE IT AND THE ATTACHED END OF THE SPRING STRIP FREELY ROTATABLE IN THE OPPOSITE DIRECTION AND THUS TO ENABLE THE STRAIGHTENING TENDENCY OF THE SPRING STRIP UNDER THE CONFINING INFLUENCE OF THE ANTI-FRICTION MEANS TO PROJECT THE SPRING STRIP INTO THE CHANNEL.
Claim 2
Dependent Claim
135 words
AN ASSEMBLY COMPRISING A NUCLEAR REACTOR, A STRAIGHT CHANNEL EXTENDING THEREINTO, A ROTATABLE DRUM POSITIONED ADJACENT AN END OF THE CHANNEL, A NEUTRON ABSORBER, A SPRING STRIP CARRYING THE NEUTRON ABSORBER AND HAVING A FREE END EXTENDING INTO THE CHANNEL, MEANS ATTACHING THE OTHER END OF THIS SPRING STRIP TO THE DRUM, MEANS FOR ROTATING THE DRUM IN ONE DIRECTION TO WIND THE SPRING STRIP ON THE DRUM AND TO WITHDRAW IT FROM THE CHANNEL, AND ANTI-FRICTION MEANS CLOSE TO AND SPACED ABOUT THE DRUM, AND MEANS FOR RELEASING THE DRUM TO MAKE IT AND THE ATTACHED END OF THE SPRING STRIP FREELY ROTATABLE IN THE OPPOSITE DIRECTION AND THUS TO ENABLE THE STRAIGHTENING TENDENCY OF THE SPRING STRIP UNDER THE CONFINING INFLUENCE OF THE ANTI-FRICTION MEANS TO PROJECT THE SPRING STRIP INTO THE CHANNEL.
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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |