US3369119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for examining tubes comprising an x-ray source and fluorescent screen
Assignee: CONTINA AG
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Filing: 1964-03-19
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Granted: 1968-02-13
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Expires: 1984-03-19
Abstract
No abstract record available.
Inventors
- 👤 Brachvogel Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:01
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/04; G01N23/043
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
APPARATUS FOR EXAMINING TUBES COMPRISING A RADIATION SOURCE, A CYLINDRICAL FLUORESCENT SCREEN SURROUNDING THE RADIATION SOURCE, SAID SOURCE BEING LOCATED ON THE AXIS OF SAID CYLINDRICAL SCREEN, MEANS FOR POSITIONING TUBE COAXIALLY WITH SAID SCREEN SO THAT ITS WALL LIES BETWEEN THE SOURCE AND THE SCREEN WHEREBY TO PRODUCE A FLUORESCENT IMAGE OF SAID WALL UPON THE SCREEN, AND OPTICAL MEANS SURROUNDING THE SCREEN AND ARRANGED TO PRODUCE A PANORAMIC VIEW OF THE FLUORESCENT IMAGE.
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) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |