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US3523211A Expired / Lapsed US ⏱️ 0.0 years remaining

Condenser-discharge ignition system with a silicon control rectifier

Assignee: KUNIHIKO NEGI
•
Filing: 1968-12-12
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Granted: 1970-08-04
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Expires: 1988-12-12
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Abstract

No abstract record available.

Inventors

  • 👤 Kazuo Oishi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 17:12
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/06; F02P3/08; F02P3/0876; F02P3/0884

Claims Analysis

Total Claims: 0
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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

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