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Patent US3452162A successfully refreshed from Google Patents.
US3452162A
Expired / Lapsed
US
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Circuit for providing a filtered dc potential and an actuating pulse for an electromagnetic device
Assignee: Motorola Solutions Inc
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Filing: 1967-06-15
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Granted: 1969-06-24
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Expires: 1987-06-15
Abstract
No abstract record available.
Inventors
- 👤 James E Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:17
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2862781A
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US3177298A
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US3305240A
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US3140428A
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US3248633A
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US3267337A
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US3300740A
Cited
US3391307A
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US3388911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |