US2793500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable flow hydraulic system
Assignee: Ford Motor Co
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Filing: 1953-11-25
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Granted: 1957-05-28
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Expires: 1973-11-25
Abstract
No abstract record available.
Inventors
- 👤 Alden T Kulick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:33
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04
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) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |