Patent US3363952A successfully refreshed from Google Patents.
US3363952A
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US
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Dual lip seal
Assignee: Timken Co
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Filing: 1965-09-03
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Granted: 1968-01-16
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Peter C Paterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:46
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7803; F16C33/7813; F16C33/7869; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3208; F16J15/3212; F16J15/3248; F16J15/3252; F16C19/00; F16C19/22; F16C19/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA703022A
Cited
US2493255A
Cited
US2736585A
Cited
GB724859A
Cited
US2834616A
Cited
US2879114A
Cited
US3099454A
Cited
US3207521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |