Patent US3445012A successfully refreshed from Google Patents.
US3445012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bridge mounted structure for hot cells
Assignee: Bechtel International Corp
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Filing: 1966-07-25
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Granted: 1969-05-20
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Expires: 1986-07-25
Abstract
No abstract record available.
Inventors
- 👤 Robert M Freeborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:39
CPC Classifications
G; G21; G21F; G21F7/00; G21F7/06; G21F7/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A RAIL MOUNTED DEVICE FOR USE IN A NUCLEAR CELL COMPRISING IN COMBINATION: (A) FIRST SPACED RAILS IN SAID CELL FOR SUPPORTING SAID DEVICE; (B) A WITHDRAWAL STRUCTURE FOR REMOVING THE DEVICE; (C) ON OPENING IN SAID CELL AT ONE SIDE OF AND BEYOND SAID RAILS; (D) SECOND RAILS MOUNTED ON SAID WITHDRAWAL STRUCTURE, SAID SECOND RAILS FORMING A CONTINUATION OF SAID FIRST RAILS; (E) FIRST AND SECOND CLOSURE MEANS MOUNTED ON SAID WITHDRAWAL STRUCTURE NEAR THE ENDS THEREOF; (F) TRANSVERSING MEANS FOR SAID WITHDRAWAL STRUCTURE, SAID TRANSVERSING MEANS BEING ADAPTED FOR MOVEMENT OF THE WITHDRAWAL MEANS AT RIGHT ANGLES TO SAID RAILS AND (G) SAID FIRST CLOSURE MEANS BLOCKING SAID OPENING WHEN SAID WITHDRAWAL MEANS IS IN A FIRST POSITION WITH THE DEVICE WITHIN THE CELL AND SAID SECOND WITHDRAWAL MEANS BLOCKING SAID OPENING WHEN SAID WITHDRAWAL MEANS IS IN A SECOND POSITION WITH SAID DEVICE OUTSIDE THE CELL.
Claim 2
Dependent Claim
150 words
A RAIL MOUNTED DEVICE FOR USE IN A NUCLEAR CELL COMPRISING IN COMBINATION: (A) FIRST SPACED RAILS IN SAID CELL FOR SUPPORTING SAID DEVICE; (B) A WITHDRAWAL STRUCTURE FOR REMOVING THE DEVICE; (C) ON OPENING IN SAID CELL AT ONE SIDE OF AND BEYOND SAID RAILS; (D) SECOND RAILS MOUNTED ON SAID WITHDRAWAL STRUCTURE, SAID SECOND RAILS FORMING A CONTINUATION OF SAID FIRST RAILS; (E) FIRST AND SECOND CLOSURE MEANS MOUNTED ON SAID WITHDRAWAL STRUCTURE NEAR THE ENDS THEREOF; (F) TRANSVERSING MEANS FOR SAID WITHDRAWAL STRUCTURE, SAID TRANSVERSING MEANS BEING ADAPTED FOR MOVEMENT OF THE WITHDRAWAL MEANS AT RIGHT ANGLES TO SAID RAILS AND (G) SAID FIRST CLOSURE MEANS BLOCKING SAID OPENING WHEN SAID WITHDRAWAL MEANS IS IN A FIRST POSITION WITH THE DEVICE WITHIN THE CELL AND SAID SECOND WITHDRAWAL MEANS BLOCKING SAID OPENING WHEN SAID WITHDRAWAL MEANS IS IN A SECOND POSITION WITH SAID DEVICE OUTSIDE THE CELL.
References Cited (Backward Citations)
US3194742A
Cited
US3196082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |