Patent US2940014A successfully refreshed from Google Patents.
US2940014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic ignition system
Assignee: —
•
Filing: —
•
Granted: 1960-06-07
•
Expires: 1977-06-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:32
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/02; F02P3/04; F02P3/0407; F02P3/0435
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1334095A
Cited
US1589489A
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US1968930A
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US2353527A
Cited
US2389637A
Cited
US2392192A
Cited
US1207193A
Cited
US1605724A
Cited
US2632133A
Cited
US2447377A
Cited
BE509801A
Cited
US2833963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |