Patent US2226709A successfully refreshed from Google Patents.
Patent US1701089A successfully refreshed from Google Patents.
US1701089A
Expired / Lapsed
US
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Control of fuel-injection mechanism for internal-combustion engines
Assignee: Sulzer AG
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Filing: 1927-06-17
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Granted: 1929-02-05
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Expires: 1947-06-17
Abstract
No abstract record available.
Inventors
- 👤 Salis Eduard Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:15
CPC Classifications
F; F02; F02M; F02M47/00; F02M47/02; F02M57/00; F02M57/02; F02M2700/00; F02M2700/07; F02M2700/078
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) | 1932-02-05 | 1932-08-06 | 1933-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-02-05 | 1936-08-06 | 1937-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-02-05 | 1940-08-06 | 1941-02-05 | $7700.00 | Window Closed / Lapsed |