US2478672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical ignition system, particularly adapted for combustion engines
Assignee: Individual
•
Filing: 1946-10-18
•
Granted: 1949-08-09
•
Expires: 1966-10-18
Abstract
No abstract record available.
Inventors
- 👤 Smits Wytze Beye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:17
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2175900A
Cited
GB190217885A
Cited
US791856A
Cited
US1376080A
Cited
US1459252A
Cited
US2125035A
Cited
US2212404A
Cited
US2237003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |