Patent US4494113A successfully refreshed from Google Patents.
Patent US3330282A successfully refreshed from Google Patents.
US710756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engine.
Assignee: Individual
•
Filing: 1902-07-17
•
Granted: 1902-10-07
•
Expires: 1922-07-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas Salmon Colbourne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:18
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1905-10-06 | 1906-04-07 | 1906-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-10-06 | 1910-04-07 | 1910-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-10-06 | 1914-04-07 | 1914-10-07 | $7700.00 | Window Closed / Lapsed |