Patent US3198974A successfully refreshed from Google Patents.
US3198974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition distributor
Assignee: Motors Liquidation Co
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Filing: 1961-06-16
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Granted: 1965-08-03
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Expires: 1981-06-16
Abstract
No abstract record available.
Inventors
- 👤 Charles L Dusenberry
- 👤 Harry A Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:03
CPC Classifications
F; F02; F02P; F02P7/00; F02P7/06; F02P7/067; F02P7/0675
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN IGNITION TIMER COMPRISING, A BASE MEMBER, A TIMING PLATE SUPPORTED BY SAID BASE, A PERMANENT MAGNET AND COIL WINDING SUPPORTED BY SAID TIMING PLATE, POLE PIECE MEANS FORMED OF MAGNETIC MATERIAL ENGAGING OPPOSITE ENDS OF SAID PERMAMENT MAGNET AND SAID COIL WINDING, A SHAFT ROTATABLE IN SAID BASE, AND A ROTOR FORMED OF MAGNETIC MATERIAL CARRIED BY SAID SHAFT ADJACENT SAID POLE PIECE MEANS, SAID ROTOR MEMBER HAVING IN AIR GAP FORMED BETWEEN IT AND ONE OF SAID POLE PIECE MEANS AS IT ROTATES.
Claim 2
Dependent Claim
85 words
AN IGNITION TIMER COMPRISING, A BASE MEMBER, A TIMING PLATE SUPPORTED BY SAID BASE, A PERMANENT MAGNET AND COIL WINDING SUPPORTED BY SAID TIMING PLATE, POLE PIECE MEANS FORMED OF MAGNETIC MATERIAL ENGAGING OPPOSITE ENDS OF SAID PERMAMENT MAGNET AND SAID COIL WINDING, A SHAFT ROTATABLE IN SAID BASE, AND A ROTOR FORMED OF MAGNETIC MATERIAL CARRIED BY SAID SHAFT ADJACENT SAID POLE PIECE MEANS, SAID ROTOR MEMBER HAVING IN AIR GAP FORMED BETWEEN IT AND ONE OF SAID POLE PIECE MEANS AS IT ROTATES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |