Patent US726664A successfully refreshed from Google Patents.
US726664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel-feeding mechanism.
Assignee: Individual
•
Filing: 1902-11-29
•
Granted: 1903-04-28
•
Expires: 1922-11-29
Abstract
No abstract record available.
Inventors
- 👤 Charles I Filson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:36
CPC Classifications
F; F23; F23K; F23K3/00; F23K3/10; F23K3/12
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) | 1906-04-27 | 1906-10-27 | 1907-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-04-27 | 1910-10-27 | 1911-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-04-27 | 1914-10-27 | 1915-04-28 | $7700.00 | Window Closed / Lapsed |