US3458689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state sensing and encoding device
Assignee: International Business Machines Corp
•
Filing: 1965-10-20
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Granted: 1969-07-29
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Robert J Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:08
CPC Classifications
H; H03; H03M; H03M7/00; G; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10851; H04; H04N; H04N25/00; H04N25/70; H04N25/701
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2678254A
Cited
US2687253A
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US2791764A
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US2881976A
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US2966671A
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US3061026A
Cited
US3389241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |