Patent US3379180A successfully refreshed from Google Patents.
US3379180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic valve lifter
Assignee: Motors Liquidation Co
•
Filing: 1967-06-06
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Granted: 1968-04-23
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Expires: 1987-06-06
Abstract
No abstract record available.
Inventors
- 👤 Richard H Kabel
- 👤 Robert J Belling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:32
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; F01L1/24; F01L1/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2818050A
Cited
US2948270A
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US2938508A
Cited
US3079903A
Cited
US3128749A
Cited
US3111119A
Cited
US3151603A
Cited
US3280807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |