US1940700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine
Assignee: MAN AG
•
Filing: 1930-01-13
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Granted: 1933-12-26
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Expires: 1950-01-13
Abstract
No abstract record available.
Inventors
- 👤 Riehm Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:32
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/0205; F01N13/00; F01N13/009; F01N13/0097; F01N3/08; F01N3/10; F01N3/18; F01N3/20; F01N3/2053; F01N2330/00; F01N2330/08; F01N2470/00; F01N2470/02; F01N2470/18; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S60/00; Y10S60/90
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) | 1936-12-25 | 1937-06-26 | 1937-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-25 | 1941-06-26 | 1941-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-25 | 1945-06-26 | 1945-12-26 | $7700.00 | Window Closed / Lapsed |