US2873729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained type hydraulic valve lifter
Assignee: Motors Liquidation Co
•
Filing: 1954-11-22
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Granted: 1959-02-17
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Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Louis J Van Slooten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:14
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/12; F01L1/14; F01L1/146; F01L1/20; F01L1/22; F01L1/24; F01L1/245; F01L2303/00; F01L2303/01; F01L2820/00; F01L2820/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2746437A
Cited
US2109809A
Cited
US2096257A
Cited
US2153097A
Cited
US2278963A
Cited
US2553756A
Cited
US2689555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |