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US3129011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary shaft seal with drainage means
Assignee: ZF International UK Ltd
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Filing: 1962-12-10
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Granted: 1964-04-14
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Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Campbell Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:45
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
MEANS FOR EFFECTING A FLUID SEAL AROUND A SHAFT ROTATABLY SUPPORTED WITHIN A BUSH MOUNTED IN A BODY AND HAVING A CIRCUMFERENTIAL GROOVE IN ITS INTERNAL PERIPHERY, SAID MEANS COMPRISING IN COMBINATION A RESILIENT ANNULAR SEALING MEMBER LOCATED AT ONE END OF THE BUSH TO BEAR ON THE SHAFT, A RIGID AND ANNULAR CARRIER MEMBER LOCATED AT THE OTHER END OF THE BUSH, INTERENGAGING MEANS ON THE BUSH AND THE CARRIER PERMITTING LATERAL
Claim 2
Dependent Claim
73 words
MEANS FOR EFFECTING A FLUID SEAL AROUND A SHAFT ROTATABLY SUPPORTED WITHIN A BUSH MOUNTED IN A BODY AND HAVING A CIRCUMFERENTIAL GROOVE IN ITS INTERNAL PERIPHERY, SAID MEANS COMPRISING IN COMBINATION A RESILIENT ANNULAR SEALING MEMBER LOCATED AT ONE END OF THE BUSH TO BEAR ON THE SHAFT, A RIGID AND ANNULAR CARRIER MEMBER LOCATED AT THE OTHER END OF THE BUSH, INTERENGAGING MEANS ON THE BUSH AND THE CARRIER PERMITTING LATERAL
References Cited (Backward Citations)
US2628112A
Cited
US3011808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |