US3525861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Function generator with pulse-width modulator for controlling a gate in accordance with a time-varying function
Assignee: Allard Way Holdings Ltd
•
Filing: 1968-01-22
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Granted: 1970-08-25
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Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:58
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/26; G06G7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3277290A
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US3036775A
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US3454753A
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US3358129A
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US3428794A
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US3426187A
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US3369185A
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US3350643A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |