Patent US2936682A successfully refreshed from Google Patents.
US2936682A
Expired / Lapsed
US
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Device for use in processing discrete screen patterns for cathode ray tubes
Assignee: GTE Sylvania Inc
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Filing: 1956-07-02
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Granted: 1960-05-17
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Expires: 1976-07-02
Abstract
No abstract record available.
Inventors
- 👤 Krawitz Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:08
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J9/227; H01J9/2271; H01J9/2272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733366A
Cited
US1245606A
Cited
US2601196A
Cited
US2446915A
Cited
US2548565A
Cited
US2625734A
Cited
US2817276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |