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US2720198A
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Arrangement for internal-combustion engines
Assignee: Hoval AG
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Filing: 1952-12-29
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Granted: 1955-10-11
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Expires: 1972-12-29
Abstract
No abstract record available.
Inventors
- 👤 Scheiterlein Andreas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:54
CPC Classifications
F; F02; F02B; F02B67/00; F02B67/04; F02B67/06; F01; F01P; F01P5/00; F01P5/02; F02B2275/00; F02B2275/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |