US2527211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition system
Assignee: —
•
Filing: —
•
Granted: 1950-10-24
•
Expires: 1967-10-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:42
CPC Classifications
F; F02; F02P; F02P15/00; F02P15/12; F02P5/00; F02P5/04; F02P5/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1415581A
Cited
US1539261A
Cited
US1862116A
Cited
US754666A
Cited
US1083221A
Cited
US1014824A
Cited
US1138569A
Cited
US2221521A
Cited
GB545374A
Cited
US2380707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |