Patent US3040716A successfully refreshed from Google Patents.
US3040716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston engines
Assignee: Individual
•
Filing: 1959-06-15
•
Granted: 1962-06-26
•
Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 Hahn Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:44
CPC Classifications
F; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0403; F03C1/0406; F03C1/22; F03C1/223
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US386548A
Cited
US649301A
Cited
US702601A
Cited
US1562769A
Cited
US2347663A
Cited
DE820430C
Cited
US2662374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |