US3452729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus for liquid fuel metering devices
Assignee: ZF International UK Ltd
•
Filing: 1967-05-02
•
Granted: 1969-07-01
•
Expires: 1987-05-02
Abstract
No abstract record available.
Inventors
- 👤 Brian Walter Goddard
- 👤 David Gerald Wileman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:47
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2082334A
Cited
US2884791A
Cited
US2783652A
Cited
US2965090A
Cited
US3051139A
Cited
US3020776A
Cited
US3199337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |