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US3406330A
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Relaxation inverter circuits with switching control
Assignee: Siemens Mobility Ltd
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Filing: 1965-03-08
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Granted: 1968-10-15
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Pelly Brian Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H02M7/523; H02M7/5233; H02M7/5236; H02M5/00; H02M5/02; H02M5/04; H02M5/22; H02M5/25; H02M5/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3058252A
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US3139588A
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US3218577A
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US3243729A
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US3290581A
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US3316476A
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US3218576A
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US3273077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |