Patent US3275523A successfully refreshed from Google Patents.
US3275523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor wet thermal insulation
Assignee: Individual
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Filing: 1965-04-30
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Granted: 1966-09-27
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Expires: 1985-04-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas Mackenzie Campbell
- 👤 Jr Wallace Markert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:51
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/32; G21C1/322; G21C11/00; G21C11/02; G21C11/04; G21C11/08; G21C11/081; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A WET CONTAINMENT FOR A NUCLEAR FISSION REACTION COMPRISING: (A) A NUCLEAR REACTOR ENCLOSED IN A VESSEL IMMERSED WITHIN A CONTAINMENT VESSEL FILLED WITH LIQUID COOLANT; (B) A JACKET SURROUNDING AND SPACED FROM SAID REACTOR VESSEL; (C) A FINE PARTICULATE OF NON-REACTIVE, RELATIVELY POOR THERMALLY CONDUCTIVE MATERIAL FILLING THE SPACE BETWEEN SAID REACTOR VESSEL AND SAID JACKET, SAID PARTICULATE BEING SATURATED WITH SAID LIQUID COOLANT; (D) AND BAFFLE MEANS SITUATED WITHIN SAID SPACE AND SPACED FROM BOTH OF SAID REACTOR VESSEL AND JACKET TO PREVENT THE CIRCULATON OF LIQUID COOLANT WITH SAID SPACE BETWEEN SAID PRESSURE VESSEL AND SAID JACKET.
Claim 2
Dependent Claim
100 words
A WET CONTAINMENT FOR A NUCLEAR FISSION REACTION COMPRISING: (A) A NUCLEAR REACTOR ENCLOSED IN A VESSEL IMMERSED WITHIN A CONTAINMENT VESSEL FILLED WITH LIQUID COOLANT; (B) A JACKET SURROUNDING AND SPACED FROM SAID REACTOR VESSEL; (C) A FINE PARTICULATE OF NON-REACTIVE, RELATIVELY POOR THERMALLY CONDUCTIVE MATERIAL FILLING THE SPACE BETWEEN SAID REACTOR VESSEL AND SAID JACKET, SAID PARTICULATE BEING SATURATED WITH SAID LIQUID COOLANT; (D) AND BAFFLE MEANS SITUATED WITHIN SAID SPACE AND SPACED FROM BOTH OF SAID REACTOR VESSEL AND JACKET TO PREVENT THE CIRCULATON OF LIQUID COOLANT WITH SAID SPACE BETWEEN SAID PRESSURE VESSEL AND SAID JACKET.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |