Patent US2898281A successfully refreshed from Google Patents.
US2898281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutronic reactor control
Assignee: Individual
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Filing: 1954-09-29
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Granted: 1959-08-04
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Expires: 1974-09-29
Abstract
No abstract record available.
Inventors
- 👤 Untermyer Samuel
- 👤 Hutter Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:08
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/06; G21C7/08; G21C7/12; G21C7/14; G21C7/18; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19702; Y10T74/19707
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A NEUTRONIC REACTOR HAVING AN ACTIVE PORTION COMPRISING A MASS OF THERMAL NEUTRON FISSIONABLE MATERIAL OF SUFFICIENT QUANTITY TO PROVIDE A NEUTRON REPRODUCTION RATIO AT LEAST EQUAL TO UNITY, AND MEANS CONTAINING NEUTRON ABSORBING MATERIAL FOR CONTROLLING THE EACTION, THE IMPROVED CONSTRUCTION WHEREIN THE CONTROL MEANS COMPRISES A PLURALITY OF ELONGATED MEMBERS TRANSLATABLY DISPOSED ADJACENT AND PARALLEL TO EACH OTHER, EACH OF SAID MEMBERS CONSISTING OF A PLURALITY OF EQUAL LENGTH SECTIONS OF NEUTRON ABSORBING MATERIALS EXTENDING TRANSVERSELY THROUGH SAID MEMBERS, SAID SECTIONS BEING SEPARATED BY EQUAL LENGTH SECTIONS OF NEUTRON PREMEABLE MATERIALS EXTENDING TRANSVERSELY THROUGH EACH OF SAID MEMBERS, AND MEANS FOR LON-
Claim 2
Dependent Claim
105 words
IN A NEUTRONIC REACTOR HAVING AN ACTIVE PORTION COMPRISING A MASS OF THERMAL NEUTRON FISSIONABLE MATERIAL OF SUFFICIENT QUANTITY TO PROVIDE A NEUTRON REPRODUCTION RATIO AT LEAST EQUAL TO UNITY, AND MEANS CONTAINING NEUTRON ABSORBING MATERIAL FOR CONTROLLING THE EACTION, THE IMPROVED CONSTRUCTION WHEREIN THE CONTROL MEANS COMPRISES A PLURALITY OF ELONGATED MEMBERS TRANSLATABLY DISPOSED ADJACENT AND PARALLEL TO EACH OTHER, EACH OF SAID MEMBERS CONSISTING OF A PLURALITY OF EQUAL LENGTH SECTIONS OF NEUTRON ABSORBING MATERIALS EXTENDING TRANSVERSELY THROUGH SAID MEMBERS, SAID SECTIONS BEING SEPARATED BY EQUAL LENGTH SECTIONS OF NEUTRON PREMEABLE MATERIALS EXTENDING TRANSVERSELY THROUGH EACH OF SAID MEMBERS, AND MEANS FOR LON-
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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |