Patent US3167745A successfully refreshed from Google Patents.
US2403371A
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Variable output pump
Assignee: ZF International UK Ltd
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Filing: 1942-11-30
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Granted: 1946-07-02
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Expires: 1962-11-30
Abstract
No abstract record available.
Inventors
- 👤 Richard Joseph Ifield
- 👤 Walter Edward Wilfrid Nicolls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:46
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/08; F04B1/00; F04B1/12; F04B1/20; F04B1/2014; F04B1/2064; F04B1/2035; F04B1/26; F04B1/30; F04B1/32; F04B1/324; F04B49/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-07-01 | 1949-12-31 | 1950-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-01 | 1953-12-31 | 1954-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-01 | 1957-12-31 | 1958-07-02 | $7700.00 | Window Closed / Lapsed |