US3721223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distributor
Assignee: Volkswagen AG
•
Filing: 1971-05-18
•
Granted: 1973-03-20
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Expires: 1991-05-18
Abstract
Abstract DEVICE TO DETERMINE THE CURRENT PATH IN AN IGNITION DISTRIBUTOR FOR MOTOR VEHICLE ENGINES HAVING A SWITCH OPERATED BY A THROTTLE VALVE LINKAGE AND A CIRCUIT BREAKER SYS- TEM CONTROLLED BY THE SWITCH AND PROVIDED WITH AN INTERMEDIATE LEVER TO CHANGE THE SWITCH.
Inventors
- 👤 H Randau
- 👤 B Taphorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:30
CPC Classifications
F; F02; F02P; F02P5/00; F02P5/04; F02P5/05; F02P5/06; F02P5/07; F02P5/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-19 | 1976-09-18 | 1977-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-19 | 1980-09-18 | 1981-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-19 | 1984-09-18 | 1985-03-20 | $7700.00 | Window Closed / Lapsed |