US2470702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine plant, including a scavenging compressor driven by an exhaust gas turbine
Assignee: Goetaverken AB
•
Filing: 1944-04-17
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Granted: 1949-05-17
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Expires: 1964-04-17
Abstract
No abstract record available.
Inventors
- 👤 Johansson Johan Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:59
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/02; F02B37/12; F02B37/16; F02B37/18; F02B39/00; F02B39/005; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB204691A
Cited
US1765716A
Cited
US1783018A
Cited
US1849170A
Cited
GB309591A
Cited
US1950467A
Cited
US2065106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |