US2397816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust turbosupercharger
Assignee: Ford Motor Co
•
Filing: 1942-02-09
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Granted: 1946-04-02
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Expires: 1962-02-09
Abstract
No abstract record available.
Inventors
- 👤 Charles E Sorensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:10
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/16; F02B37/168; F01; F01N; F01N13/00; F01N13/08; F01N13/082; F02B29/00; F02B29/04; F02B29/0406; F02B29/0425; F02B29/0431; F02B39/00; F02B39/005; F02C; F02C6/00; F02C6/04; F02C6/10; F02C6/12; F01P; F01P2060/00; F01P2060/02; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y02T50/00; Y02T50/60
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) | 1949-04-01 | 1949-10-01 | 1950-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-01 | 1953-10-01 | 1954-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-01 | 1957-10-01 | 1958-04-02 | $7700.00 | Window Closed / Lapsed |