US2355759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust-driven turbosupercharger for internal-combustion engines
Assignee: H M Hobson (aircraft & Motor) Components Ltd
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Filing: 1943-01-14
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Granted: 1944-08-15
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Expires: 1963-01-14
Abstract
No abstract record available.
Inventors
- 👤 Stokes Philip Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:44
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/04; F02B37/12; F02B37/14; F02B37/18; 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) | 1947-08-15 | 1948-02-14 | 1948-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-15 | 1952-02-14 | 1952-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-15 | 1956-02-14 | 1956-08-15 | $7700.00 | Window Closed / Lapsed |