US3216901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element and method of operating reactor
Assignee: Dow Chemical Co
•
Filing: 1960-08-24
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Granted: 1965-11-09
•
Expires: 1980-08-24
Abstract
No abstract record available.
Inventors
- 👤 Robert J Teitel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:55
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/24; G21C7/00; G21C7/30; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A NUCLEAR REACTOR FUEL ELEMENT WHICH COMPRISES: A RELATIVELY UNMODERATED RESERVOIR FOR LIQUID FUEL, A PLUNGER ASSOCIATED WITH SAID RESERVOIR, A MODERATED ZONE ASOCIATED WITH SAID PLUNGER, AND PNEUMATIC PISTON MEANS INCLUDING A PISTON RECIPROCABLE WITHIN A COMPLEMENTARY CYLINDRICAL SPACE IN A CONTAINER, SAID PNEUMATIC PISTON MEANS BEING ATTACHED TO SAID PLUNGER AND ADAPTED TO MOVE SAID PLUNGER INTO SAID RESERVOIR THEREBY TO TRANSFER LIQUID FUEL FROM SAID RESERVOIR TO SAID MODERATED ZONE BY POSITIVE DISPLACEMENT, AND SAID CYLINDRICAL SPACE BEING IN COMMUNICATION WITH SAID RESERVOIR.
Claim 2
Dependent Claim
86 words
A NUCLEAR REACTOR FUEL ELEMENT WHICH COMPRISES: A RELATIVELY UNMODERATED RESERVOIR FOR LIQUID FUEL, A PLUNGER ASSOCIATED WITH SAID RESERVOIR, A MODERATED ZONE ASOCIATED WITH SAID PLUNGER, AND PNEUMATIC PISTON MEANS INCLUDING A PISTON RECIPROCABLE WITHIN A COMPLEMENTARY CYLINDRICAL SPACE IN A CONTAINER, SAID PNEUMATIC PISTON MEANS BEING ATTACHED TO SAID PLUNGER AND ADAPTED TO MOVE SAID PLUNGER INTO SAID RESERVOIR THEREBY TO TRANSFER LIQUID FUEL FROM SAID RESERVOIR TO SAID MODERATED ZONE BY POSITIVE DISPLACEMENT, AND SAID CYLINDRICAL SPACE BEING IN COMMUNICATION WITH SAID RESERVOIR.
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |