Patent US2565984A successfully refreshed from Google Patents.
US2565984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition control
Assignee: —
•
Filing: —
•
Granted: 1951-08-28
•
Expires: 1968-08-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:01
CPC Classifications
F; F02; F02N; F02N11/00; F02N11/08; F02N11/0803; F02N11/087; F02P; F02P11/00; F02P11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1654220A
Cited
US1770264A
Cited
US1854571A
Cited
US2162174A
Cited
US2166498A
Cited
US2337838A
Cited
US1298728A
Cited
US2463470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |