Patent US3494779A successfully refreshed from Google Patents.
US3494779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxygen-dominated phosphor films
Assignee: NCR Voyix Corp
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Filing: 1965-09-29
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Granted: 1970-02-10
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Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Pappalardo
- 👤 Maclin S Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:52
CPC Classifications
C; C09; C09K; C09K11/00; C01; C01B; C01B13/00; C01B13/14; C01G; C01G1/00; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C09K11/02; C09K11/08; C09K11/63; C09K11/66; C09K11/668; C09K11/67; C09K11/68; C09K11/70; C09K11/77; C09K11/7715; C09K11/77212; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/23; C03C2218/00; C03C2218/10; C03C2218/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2325110A
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US2998323A
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US2996404A
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US3002861A
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US3202054A
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US3195004A
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US3148084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |