US2619915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-fuel injection means for prime movers
Assignee: ZF International UK Ltd
•
Filing: 1947-07-10
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Granted: 1952-12-02
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Expires: 1967-07-10
Abstract
No abstract record available.
Inventors
- 👤 Ifield Richard Joseph
- 👤 Watson Ernest Ansley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:34
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F02M; F02M59/00; F02M2700/00; F02M2700/13; F02M2700/1317; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/85986; Y10T137/86002
Claims Analysis
Total Claims: 0
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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) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |