US2423417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust-driven supercharger for internal-combustion engines
Assignee: GE Healthcare UK Ltd
•
Filing: 1943-07-07
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Granted: 1947-07-01
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Expires: 1963-07-07
Abstract
No abstract record available.
Inventors
- 👤 Stokes Philip Harold
- 👤 Greenland Leonard Sidney
- 👤 Pugh Cyril Alphonso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:15
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/18; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2167501A
Cited
US941426A
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US1835686A
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GB479278A
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US2305810A
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GB511826A
Cited
US2297235A
Cited
US2285344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-30 | 1950-12-30 | 1951-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-30 | 1954-12-30 | 1955-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-30 | 1958-12-30 | 1959-07-01 | $7700.00 | Window Closed / Lapsed |