Patent US1727697A successfully refreshed from Google Patents.
US1727697A
Expired / Lapsed
US
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Double-acting two-stroke gas engine with slot scavenging
Assignee: MAN AG
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Filing: 1928-12-05
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Granted: 1929-09-10
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Expires: 1948-12-05
Abstract
No abstract record available.
Inventors
- 👤 Bullnheimer Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:08
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/18; F02F1/22; F02B; F02B43/00; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B2710/00; F02B2710/03; F02B2710/036; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30
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) | 1932-09-09 | 1933-03-11 | 1933-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-09-09 | 1937-03-11 | 1937-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-09-09 | 1941-03-11 | 1941-09-10 | $7700.00 | Window Closed / Lapsed |