US3056259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine liquid fuel supply system
Assignee: Rolls Royce PLC
•
Filing: 1958-01-24
•
Granted: 1962-10-02
•
Expires: 1978-01-24
Abstract
No abstract record available.
Inventors
- 👤 Jubb Albert
- 👤 Johnson Christopher Linley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:20
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F02C7/224; F02C7/236
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2683418A
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US2708826A
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US2836230A
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GB743859A
Cited
GB765339A
Cited
US2812715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |