US2987887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic coupling with fluid content control
Assignee: Motors Liquidation Co
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Filing: 1958-08-14
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Granted: 1961-06-13
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Expires: 1978-08-14
Abstract
No abstract record available.
Inventors
- 👤 F Robert J Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:30
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/06; F16D33/08; F16D33/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1859607A
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US1866424A
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US2024842A
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US2127738A
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US2245684A
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US2768501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |