Patent US2433484A successfully refreshed from Google Patents.
US2433484A
Expired / Lapsed
US
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Movable vane variable displacement pump
Assignee: Borg Warner Corp
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Filing: 1944-11-24
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Granted: 1947-12-30
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Expires: 1964-11-24
Abstract
No abstract record available.
Inventors
- 👤 Jay M Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:55
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C14/223; F04C14/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191002291A
Cited
US1246241A
Cited
US1728321A
Cited
GB380900A
Cited
GB489955A
Cited
US2309148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |