US3419784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnitude-to-frequency converters
Assignee: Allard Way Holdings Ltd
•
Filing: 1966-12-05
•
Granted: 1968-12-31
•
Expires: 1986-12-05
Abstract
No abstract record available.
Inventors
- 👤 Roger F E Winn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:02
CPC Classifications
H; H03; H03K; H03K7/00; H03K7/06; H03M; H03M1/00; H03M1/12; H03M1/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2994825A
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US3022469A
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US3256426A
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US3169233A
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US3251052A
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US3245004A
Cited
US3274501A
Cited
US3327229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |