Patent US3728981A successfully refreshed from Google Patents.
Patent US3344663A successfully refreshed from Google Patents.
US3344663A
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Stroboscopic means for timing fuel injection
Assignee: Allis Chalmers Corp
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Filing: 1964-06-03
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Granted: 1967-10-03
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Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Dreisin Alexander
- 👤 Terrell John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:51
CPC Classifications
F; F02; F02M; F02M65/00; F02M65/005; F02D; F02D41/00; F02D41/30; F02D41/38; F02D41/40; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
MEANS FOR PRODUCING A SIGNAL FOR SELECTIVELY INDICATING THE OPENING AND CLOSING OF A FUEL INJECTION VALVE, SAID MEANS COMPRISING: MEANS FOR PRODUCING AN OSCILLATING OUPUT; A DIFFERENTIAL TRANSFORMER HAVING A PRIMARY WINDING, A SEC-
Claim 2
Dependent Claim
35 words
MEANS FOR PRODUCING A SIGNAL FOR SELECTIVELY INDICATING THE OPENING AND CLOSING OF A FUEL INJECTION VALVE, SAID MEANS COMPRISING: MEANS FOR PRODUCING AN OSCILLATING OUPUT; A DIFFERENTIAL TRANSFORMER HAVING A PRIMARY WINDING, A SEC-
References Cited (Backward Citations)
DE1049635B
Cited
US2601447A
Cited
GB729431A
Cited
US2691888A
Cited
US3119258A
Cited
US3247710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |