Patent US3075113A successfully refreshed from Google Patents.
US3075113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote inspection equipment
Assignee: A E I-John Thompson Nuclear Energy Co Ltd
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Filing: 1960-02-12
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Granted: 1963-01-22
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Expires: 1980-02-12
Abstract
No abstract record available.
Inventors
- 👤 Soar Geoffrey Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:53
CPC Classifications
G; G03; G03B; G03B37/00; G03B37/005; G21; G21C; G21C15/00; G21C15/02; G21C15/14; G21C17/00; G21C17/08; G21F; G21F7/00; G21F7/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
EQUIPMENT FOR INSPECTING LOCATIONS OF LIMITED ACCESSIBILITY COMPRISING A TELEVISION CAMERA, AN INNER HOLLOW CASING ENCLOSING THE TELEVISION CAMERA, A SUPPORT MEANS FOR SAID CAMERA INCLUDING A FLEXIBLE TUBE COUPLED WITH SAID INNER CASING, A CYLINDRICAL WINDING DRUM FOR SAID TUBE, AN AXLE MEMBER FOR SAID DRUM, SURFACES DEFINING A BORE TO SAID MEMBER COMMUNICATING WITH SAID TUBE, AN OUTER HOLLOW CASING EXTENDING CO-AXIALLY ABOUT SAID INNER CASING, AND MEANS FOR CAUSING GAS COOLANT TO FLOW SUCCESSIVELY THROUGH SAID BORE, TUBE AND INNER CASING AND THEN TO FLOW BACKWARDLY THROUGH THE SPACE DEFINED BY SAID INNER AND OUTER CASINGS.
Claim 2
Dependent Claim
99 words
EQUIPMENT FOR INSPECTING LOCATIONS OF LIMITED ACCESSIBILITY COMPRISING A TELEVISION CAMERA, AN INNER HOLLOW CASING ENCLOSING THE TELEVISION CAMERA, A SUPPORT MEANS FOR SAID CAMERA INCLUDING A FLEXIBLE TUBE COUPLED WITH SAID INNER CASING, A CYLINDRICAL WINDING DRUM FOR SAID TUBE, AN AXLE MEMBER FOR SAID DRUM, SURFACES DEFINING A BORE TO SAID MEMBER COMMUNICATING WITH SAID TUBE, AN OUTER HOLLOW CASING EXTENDING CO-AXIALLY ABOUT SAID INNER CASING, AND MEANS FOR CAUSING GAS COOLANT TO FLOW SUCCESSIVELY THROUGH SAID BORE, TUBE AND INNER CASING AND THEN TO FLOW BACKWARDLY THROUGH THE SPACE DEFINED BY SAID INNER AND OUTER CASINGS.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |