US2973445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for detection, conversion, and amplification of x-ray images
Assignee: Machlett Laboratories Inc
•
Filing: 1951-03-09
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Granted: 1961-02-28
•
Expires: 1971-03-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:56
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/45; H01J29/458; H01J31/00; H01J31/08; H01J31/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2219113A
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US2156392A
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US2442287A
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US2507958A
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US2544754A
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US2555091A
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US2622219A
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US2614235A
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US2747131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |