Patent US2403844A successfully refreshed from Google Patents.
US2403844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulation of the scavenging and charging of two-stroke fuel injection internal-combustion engines
Assignee: Saurer AG
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Filing: 1944-09-13
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Granted: 1946-07-09
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Expires: 1964-09-13
Abstract
No abstract record available.
Inventors
- 👤 Bolli Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:04
CPC Classifications
F; F02; F02D; F02D13/00; F02D13/02; F02D13/028; F02D13/0284; F02B; F02B25/00; F02B2720/00; F02B2720/23; F02B2720/231; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1949-07-08 | 1950-01-07 | 1950-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-08 | 1954-01-07 | 1954-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-08 | 1958-01-07 | 1958-07-09 | $7700.00 | Window Closed / Lapsed |