US3495577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained hydraulic tappet
Assignee: CLIFFORD H COLLINS
•
Filing: 1968-02-07
•
Granted: 1970-02-17
•
Expires: 1988-02-07
Abstract
No abstract record available.
Inventors
- 👤 Clifford H Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:49
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; F01L1/24; F01L1/245; F01L1/25; F01L1/252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2109815A
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US2185991A
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US2220336A
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US2325932A
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US2547798A
Cited
US2654356A
Cited
US2873729A
Cited
US2950708A
Cited
US3286702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |