US2969022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel pump arrangements
Assignee: Dowty Fuel Systems Ltd
•
Filing: 1958-05-20
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Granted: 1961-01-24
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Expires: 1978-05-20
Abstract
No abstract record available.
Inventors
- 👤 Tyler Stanley Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:48
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/005; B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/16; F02; F02M; F02M59/00; F02M2700/00; F02M2700/13; F02M2700/1317
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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |