Patent US2760469A successfully refreshed from Google Patents.
US2760469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-cooled two-stroke cycle internal combustion engine with individually mounted cylinders
Assignee: Individual
•
Filing: 1953-07-31
•
Granted: 1956-08-28
•
Expires: 1973-07-31
Abstract
No abstract record available.
Inventors
- 👤 Kremser Johann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:36
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/18; F02F1/22; F02F1/02; F02F1/10; F02F1/14; F02B; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1343161A
Cited
US1862321A
Cited
US1902528A
Cited
US1968110A
Cited
US2058528A
Cited
US2020461A
Cited
US2066580A
Cited
DE674781C
Cited
FR879527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |