US3156228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for retarding spark
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-12-10
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Granted: 1964-11-10
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Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Albert J Blackwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:01
CPC Classifications
F; F02; F02P; F02P5/00; F02P5/04; F02P5/145; F02P5/155; F02P5/1558; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A METHOD FOR REDUCING DETONATION IN AN INTERNAL COMBUSTION ENGINE HAVING AN IGNITION SYSTEM INCLUDING A DISTRIBUTOR AND A FUEL SYSTEM INCLUDING A THROTTLE WHICH COMPRISES: (A) SENSING CHANGES IN THE POSITION OF SAID THROTTLE, AND (B) TEMPORARILY RETARDING FOR A SHORT PREDETERMINED PERIOD OF TIME THE SPARK WITHIN SAID DISTRIBUTOR IN
Claim 2
Independent Claim
52 words
A METHOD FOR REDUCING DETONATION IN AN INTERNAL COMBUSTION ENGINE HAVING AN IGNITION SYSTEM INCLUDING A DISTRIBUTOR AND A FUEL SYSTEM INCLUDING A THROTTLE WHICH COMPRISES: (A) SENSING CHANGES IN THE POSITION OF SAID THROTTLE, AND (B) TEMPORARILY RETARDING FOR A SHORT PREDETERMINED PERIOD OF TIME THE SPARK WITHIN SAID DISTRIBUTOR IN
References Cited (Backward Citations)
US2825320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |