Patent US2822729A successfully refreshed from Google Patents.
US960991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engine.
Assignee: Individual
•
Filing: 1909-11-08
•
Granted: 1910-06-07
•
Expires: 1929-11-08
Abstract
No abstract record available.
Inventors
- 👤 Newell H Motsinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:46
CPC Classifications
G; G05; G05D; G05D13/00; G05D13/08; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108
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) | 1913-06-06 | 1913-12-06 | 1914-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-06-06 | 1917-12-06 | 1918-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-06-06 | 1921-12-06 | 1922-06-07 | $7700.00 | Window Closed / Lapsed |