Patent US3742277A successfully refreshed from Google Patents.
US3742277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flying spot scanner having screen of strontium thiogallte coactivatedby trivalent cerium and divalent lead
Assignee: Verizon Laboratories Inc
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Filing: 1971-03-18
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Granted: 1973-06-26
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Expires: 1991-03-18
Abstract
Abstract A flying-spot scanner tube for use in a color flying-spot scanner system. The tube has a phosphor screen wherein at least one of the phosphors included therein comprises a cerium and/or lead activated alkaline earth thiogallate phosphor.
Inventors
- 👤 T Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:49
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/0805; C09K11/0816
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) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |