US3409040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel supply system for internal combustion engine
Assignee: FREDERICK D SISLER
•
Filing: 1965-06-02
•
Granted: 1968-11-05
•
Expires: 1985-06-02
Abstract
No abstract record available.
Inventors
- 👤 Robert L Weston
- 👤 Frederick D Sisler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:25
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/0011; F02M37/0017; B; B63; B63B; B63B17/00; B63B17/0027; B63H; B63H20/00; B63H20/001; B63H21/00; B63H21/38; F02M37/0023; F02M37/0047; F02M37/007; F02M37/0076; F02M37/0088; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86187; Y10T137/86196
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |