US3549288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positive displacement slipper pump with flangeless drive shaft
Assignee: Ford Motor Co
•
Filing: 1969-03-05
•
Granted: 1970-12-22
•
Expires: 1989-03-05
Abstract
No abstract record available.
Inventors
- 👤 Denver E Nichols
- 👤 John E Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:40
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/3446; F04C15/00; F04C15/0057; F04C15/0061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2827859A
Cited
US3273503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |