US974972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starting mechanism for explosion-engines.
Assignee: M GRODIN
•
Filing: 1909-02-23
•
Granted: 1910-11-08
•
Expires: 1929-02-23
Abstract
No abstract record available.
Inventors
- 👤 Szymon Jachimovicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:19
CPC Classifications
F; F01; F01L; F01L13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86831; Y10T137/87096; Y10T137/87121; Y10T137/87129
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) | 1913-11-07 | 1914-05-09 | 1914-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-11-07 | 1918-05-09 | 1918-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-11-07 | 1922-05-09 | 1922-11-08 | $7700.00 | Window Closed / Lapsed |