Patent US3756915A successfully refreshed from Google Patents.
US3756915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rnals device for detecting flaws on nuclear reactor inner surfaces and inte
Assignee: Individual
•
Filing: 1972-01-24
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Granted: 1973-09-04
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Expires: 1992-01-24
Abstract
Abstract A device for detecting flaws on nuclear reactor inner surfaces and internals, wherein an inspection chamber with at least one inspection window moves about inside the reactor with the help of a means for positioning the inspection chamber. The chamber is connected with said means via a support element mounted above the reactor such that the chamber can rotate about and move along the vertical axis of the reactor.
Inventors
- 👤 V Khmelnitsky
- 👤 N Habanov
- 👤 V Maximov
- 👤 V Mironov
- 👤 V Kazakov
- 👤 L Oblasti
- 👤 A Bukrinsky
- 👤 J Gladkov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:16
CPC Classifications
G; G21; G21C; G21C17/00; G21C17/003; G21C17/01; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |