US3477416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic lifter
Assignee: Eaton Corp
•
Filing: 1967-09-27
•
Granted: 1969-11-11
•
Expires: 1987-09-27
Abstract
No abstract record available.
Inventors
- 👤 Gerald D Line
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:16
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; F01L1/24; F01L1/245; F16; F16K; F16K15/00; F16K15/14; F16K15/141; F16K15/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1869383A
Cited
US2185991A
Cited
US2308858A
Cited
US2394354A
Cited
US2956557A
Cited
US2992639A
Cited
US3363644A
Cited
US3297106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |