Patent US3613815A successfully refreshed from Google Patents.
US3424939A
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US
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Voltage switching apparatus for color kinescopes
Assignee: Texas Instruments Inc
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Filing: 1966-05-31
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Granted: 1969-01-28
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Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 William H Clingman Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:57
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2741526A
Cited
US3225238A
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US3005927A
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US3109956A
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US3114795A
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US3290435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |