US2548609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor arrangement for internal-combustion engine exhausting combustion productsto another engine
Assignee: Goetaverken AB
•
Filing: 1944-09-29
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Granted: 1951-04-10
•
Expires: 1964-09-29
Abstract
No abstract record available.
Inventors
- 👤 Johansson Johan Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:57
CPC Classifications
F; F02; F02B; F02B33/00; F02M; F02M2700/00; F02M2700/33; F02M2700/331
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US933906A
Cited
GB142051A
Cited
US1825525A
Cited
US2281821A
Cited
US2201682A
Cited
US2296268A
Cited
US2293548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |