US3040262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive resonant circuit
Assignee: AT&T Inc
•
Filing: 1959-06-22
•
Granted: 1962-06-19
•
Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 Gerald L Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:58
CPC Classifications
H; H10; H10F; H10F10/00; H10F10/10; H10F10/14; H10F99/00; H01; H01H; H01H47/00; H01H47/22; H01H47/24; H10F30/00; H10F30/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2570978A
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US2641713A
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US2790088A
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US2907969A
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GB778883A
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US2862416A
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US2914665A
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US2919389A
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US2836776A
Cited
DE1034694B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |