US2431686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable capacity pump
Assignee: DESCHAMPS FUEL INJECTION Corp
•
Filing: 1943-07-21
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Granted: 1947-12-02
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Expires: 1963-07-21
Abstract
No abstract record available.
Inventors
- 👤 Desire J Deschamps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:52
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F04B1/141; F04B1/146; F04B1/148; F04B1/122; F04B1/16; F04B49/00; F04B49/005; F04B53/00; F04B53/10; F04B53/1037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR851663A
Cited
US1212655A
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US1669976A
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US1780398A
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DE513156C
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US1933081A
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US2111594A
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US2299235A
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US2232976A
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US2286301A
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US2315076A
Cited
US2295833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |