Patent US3353566A successfully refreshed from Google Patents.
US3353566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End closure for nuclear reactor channel
Assignee: Individual
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Filing: 1967-02-24
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Granted: 1967-11-21
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Expires: 1987-02-24
Abstract
No abstract record available.
Inventors
- 👤 Martin D Cepkauskas
- 👤 John F Rohlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:07
CPC Classifications
G; G21; G21C; G21C13/00; G21C13/02; G21C13/06; G21C13/067; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN END CLOSURE FOR A FUEL ELEMENT OR PROCESS CHANNEL OF A NUCLEAR REACTOR OF THE TYPE HAVING A BODY PORTION AND SEALING MEANS PORTION WHEREIN AN IMPROVED BODY PORTION COMPRISES A FIRST HOUSING DIMENSIONED FOR DISPOSITION WITHIN SAID CHANNEL FOR LONGITUDINAL MOVEMENT THEREWITH, A SECOND HOUSING DISPOSED WITHIN SAID FIRST HOUSING FOR LONGITUDINAL MOVEMENT THEREWITH BETWEEN EXTENDED AND RETRACTED POSITIONS, AT LEAST ONE LATCH MEANS MOUNTED ON SAID SECOND HOUSING FOR ENGAGEMENT WITH LATCH RECEIVING MEANS IN SAID CHANNEL THROUGH CORRESPONDING OPENINGS IN SAID FIRST HOUSING WHEN SAID SECOND HOUSING IS IN ITS EXTENDED POSITION, A THIRD HOUSING DISPOSED WITHIN SAID SECOND HOUSING FOR LONGITUDINAL MOVEMENT THEREWITH BETWEEN EXTENDED AND RETRACTED POSITIONS, SAID THIRD HOUSING LOCKING SAID LATCH MEANS IN ENGAGING POSITION WHEN IN ITS EXTENDED POSITION, AND RESILIENT MEANS FOR YIELDABLY MAINTAINING SAID SECOND AND SAID THIRD HOUSINGS IN THEIR EXTENDED POSITIONS.
Claim 2
Dependent Claim
144 words
AN END CLOSURE FOR A FUEL ELEMENT OR PROCESS CHANNEL OF A NUCLEAR REACTOR OF THE TYPE HAVING A BODY PORTION AND SEALING MEANS PORTION WHEREIN AN IMPROVED BODY PORTION COMPRISES A FIRST HOUSING DIMENSIONED FOR DISPOSITION WITHIN SAID CHANNEL FOR LONGITUDINAL MOVEMENT THEREWITH, A SECOND HOUSING DISPOSED WITHIN SAID FIRST HOUSING FOR LONGITUDINAL MOVEMENT THEREWITH BETWEEN EXTENDED AND RETRACTED POSITIONS, AT LEAST ONE LATCH MEANS MOUNTED ON SAID SECOND HOUSING FOR ENGAGEMENT WITH LATCH RECEIVING MEANS IN SAID CHANNEL THROUGH CORRESPONDING OPENINGS IN SAID FIRST HOUSING WHEN SAID SECOND HOUSING IS IN ITS EXTENDED POSITION, A THIRD HOUSING DISPOSED WITHIN SAID SECOND HOUSING FOR LONGITUDINAL MOVEMENT THEREWITH BETWEEN EXTENDED AND RETRACTED POSITIONS, SAID THIRD HOUSING LOCKING SAID LATCH MEANS IN ENGAGING POSITION WHEN IN ITS EXTENDED POSITION, AND RESILIENT MEANS FOR YIELDABLY MAINTAINING SAID SECOND AND SAID THIRD HOUSINGS IN THEIR EXTENDED POSITIONS.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |