US2739440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supercharger plant for internal combustion engines
Assignee: Rolls Royce Solutions GmbH
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Filing: 1955-03-14
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Granted: 1956-03-27
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Expires: 1975-03-14
Abstract
No abstract record available.
Inventors
- 👤 Seifert Richard
- 👤 Reiter Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:14
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/02; F02B29/00; F02B29/04; F02B29/045; F02B29/0475; F02B37/007; F01; F01N; F01N13/00; F01N13/08; F01N13/10; F01N13/107; F02B3/00; F02B3/06; 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) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |