US2901670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition system
Assignee: —
•
Filing: —
•
Granted: 1959-08-25
•
Expires: 1976-08-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:52
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/34; F; F02; F02P; F02P3/00; F02P3/01; F02P3/06; F02P3/08; F02P3/0807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2027617A
Cited
US2030228A
Cited
US2203579A
Cited
US2416971A
Cited
GB529558A
Cited
US2447377A
Cited
US2651005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |