US3028329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor fuel element with improved heat transfer characteristics
Assignee: Individual
•
Filing: 1958-11-13
•
Granted: 1962-04-03
•
Expires: 1978-11-13
Abstract
No abstract record available.
Inventors
- 👤 James E Mahlmeister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:31
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/18; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A NUCLEAR REACTOR FUEL ELEMENT COMPRISING A METAL CONTAINER, A PLURALITY OF FUEL SEGMENTS IN SAID CONTAINER, THE EXTERIOR SAID SEGMENTS AND SAID CONTAINER DEFINING AN ANNULUS, EACH SAID SEGMENT HAVING A CENTRAL AXIAL CHANNEL, SPACER MEANS BETWEEN SUCCESSIVE SEGMENTS CONNECTING SAID CENTRAL CHANNELS WITH SAID ANNULUS, A PLURALITY OF AXIAL GROOVES ON THE EXTERIOR SURFACE EACH SAID SEGMENT AND A MOLTEN METAL CIRCULATING BETWEEN SAID CENTRAL CHANNEL AND SAID CONTAINER.
Claim 2
Dependent Claim
71 words
A NUCLEAR REACTOR FUEL ELEMENT COMPRISING A METAL CONTAINER, A PLURALITY OF FUEL SEGMENTS IN SAID CONTAINER, THE EXTERIOR SAID SEGMENTS AND SAID CONTAINER DEFINING AN ANNULUS, EACH SAID SEGMENT HAVING A CENTRAL AXIAL CHANNEL, SPACER MEANS BETWEEN SUCCESSIVE SEGMENTS CONNECTING SAID CENTRAL CHANNELS WITH SAID ANNULUS, A PLURALITY OF AXIAL GROOVES ON THE EXTERIOR SURFACE EACH SAID SEGMENT AND A MOLTEN METAL CIRCULATING BETWEEN SAID CENTRAL CHANNEL AND SAID CONTAINER.
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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) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |