US3523211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser-discharge ignition system with a silicon control rectifier
Assignee: KUNIHIKO NEGI
•
Filing: 1968-12-12
•
Granted: 1970-08-04
•
Expires: 1988-12-12
Abstract
No abstract record available.
Inventors
- 👤 Kazuo Oishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:07
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/06; F02P3/08; F02P3/0876; F02P3/0884
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3045148A
Cited
US3007082A
Cited
US3115610A
Cited
US3193733A
Cited
US3271593A
Cited
US3369151A
Cited
US3373314A
Cited
US3383556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |