Patent US2862897A successfully refreshed from Google Patents.
Patent US3485142A successfully refreshed from Google Patents.
US3485142A
Expired / Lapsed
US
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Liner seal for diesel engines and the like
Assignee: Parker Hannifin Corp
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Filing: 1967-01-25
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Granted: 1969-12-23
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Expires: 1987-01-25
Abstract
No abstract record available.
Inventors
- 👤 Albert F Kutas
- 👤 James Terry Allen
- 👤 Jerry G Jelinek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:13
CPC Classifications
F; F02; F02F; F02F11/00; F02F11/005; F16; F16J; F16J15/00; F16J15/16; F16J15/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US765740A
Cited
US1213340A
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US1301254A
Cited
US1368522A
Cited
US1734040A
Cited
US1665192A
Cited
DE627912C
Cited
GB428782A
Cited
US3331609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |