US3105479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition spark timing control
Assignee: Motors Liquidation Co
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Filing: 1961-12-04
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Granted: 1963-10-01
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Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Dew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:10
CPC Classifications
F; F02; F02P; F02P5/00; F02P5/04; F02P5/05; F02P5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN COMBINATION, AN INTERNAL COMBUSTION ENGINE, A DISTRIBUTOR FOR CONTROLLING THE SPARK TIMING OF SAID ENGINE, SAID DISTRIBUTOR INCLUDING A SHIFTABLE PART FOR VARYING THE SPARK SETTING OF SAID ENGINE, MEANS FOR OSCILLATING SAID SHIFTABLE PART CONTINUOUSLY TO ADVANCE AND RETARD THE SPARK SETTING, SENSING MEANS FOR SENSING CHANGES IN SPEED OF SAID ENGINE DUE TO SHIFTING OF SAID SHIFTABLE PART, AND MEANS FOR CAUSING SAID SHIFTABLE PART TO EB ADJUSTED IN ONE DIRECTION OR THE OTHER IN RESPONSE TO CONDITIONS SENSED BY SAID SENSING MEANS.
Claim 2
Dependent Claim
86 words
IN COMBINATION, AN INTERNAL COMBUSTION ENGINE, A DISTRIBUTOR FOR CONTROLLING THE SPARK TIMING OF SAID ENGINE, SAID DISTRIBUTOR INCLUDING A SHIFTABLE PART FOR VARYING THE SPARK SETTING OF SAID ENGINE, MEANS FOR OSCILLATING SAID SHIFTABLE PART CONTINUOUSLY TO ADVANCE AND RETARD THE SPARK SETTING, SENSING MEANS FOR SENSING CHANGES IN SPEED OF SAID ENGINE DUE TO SHIFTING OF SAID SHIFTABLE PART, AND MEANS FOR CAUSING SAID SHIFTABLE PART TO EB ADJUSTED IN ONE DIRECTION OR THE OTHER IN RESPONSE TO CONDITIONS SENSED BY SAID SENSING MEANS.
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |