Patent US3030554A successfully refreshed from Google Patents.
US3030554A
Expired / Lapsed
US
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Control for a plurality of load devices
Assignee: Dana Inc
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Filing: 1958-05-23
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Granted: 1962-04-17
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Expires: 1978-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jr James L Leeson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:58
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/04; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1995810A
Cited
US2053156A
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US2611863A
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US2671169A
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US2770764A
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US2900502A
Cited
US2946418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |