US2858822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for influencing engine fuel delivery by two mutually independent operating conditions
Assignee: Individual
•
Filing: 1956-12-18
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Granted: 1958-11-04
•
Expires: 1976-12-18
Abstract
No abstract record available.
Inventors
- 👤 Staege Werner
- 👤 Harr Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:48
CPC Classifications
F; F02; F02D; F02D1/00; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0284; F02D2700/0294
Claims Analysis
Total Claims: 0
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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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |