Patent US3403286A successfully refreshed from Google Patents.
US3403286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital cathode ray tube deflection system
Assignee: International Business Machines Corp
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Filing: 1966-12-27
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Granted: 1968-09-24
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Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 Frank R Carlock
- 👤 William R Lamoureux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:52
CPC Classifications
G; G09; G09G; G09G1/00; G09G1/06; G09G1/08; G09G1/10; G09G1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3325803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |