Patent US2245562A successfully refreshed from Google Patents.
US2245562A
Expired / Lapsed
US
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Controlling device for internal combustion engines
Assignee: Askania Werke AG
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Filing: 1937-07-30
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Granted: 1941-06-17
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Expires: 1957-07-30
Abstract
No abstract record available.
Inventors
- 👤 Becker Ewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:18
CPC Classifications
F; F02; F02D; F02D1/00; F02D1/02; F02D1/08; F02D1/12; F02D1/14; F02D1/10; F02M; F02M59/00; F02M2700/00; F02M2700/13; F02M2700/1317
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) | 1944-06-16 | 1944-12-16 | 1945-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-16 | 1948-12-16 | 1949-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-16 | 1952-12-16 | 1953-06-17 | $7700.00 | Window Closed / Lapsed |