US3194570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-lip seal
Assignee: Federal Mogul Bower Bearings Inc
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Filing: 1962-01-29
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Granted: 1965-07-13
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Robert N Haynie
- 👤 Lloyd E Voss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:14
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/0003; B29C37/0014; B29C43/00; B29C43/02; B29C43/027; B29C43/18; B29C43/32; B29C43/36; B29C43/42; B29D; B29D99/00; B29D99/0053; F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/328; B29C70/00; B29C70/68; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/26; Y; Y10; Y10S; Y10S277/00; Y10S277/924
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A MULTIPLE-LIP FLUID SEAL COMPRISING A SINGLE RIGID ANNULAR GENERALLY CYLINDRICAL REINFORCING MEMBER, AND AN INTEGRAL ANNULAR ELASTOMERIC MEMBER MOLDED AND BONDED TO SAID ANNULAR MEMBER AND HAVING A BODY SUBSTANTIALLY COVERING IT AND EXTENDING RADIALLY OUTWARDLY THEREFROM AND HAVING A MAIN V-SHAPED SEALING LIP AT ONE END OF ITS OUTER PERIPHERY, AND ALSO HAVING A PLURALITY OF ANNULAR SUPPLEMENTAL LIPS, EACH RECTANGULAR IN CROSS-SECTION AND PROJECTING RADIALLY OUTWARDLY FROM SAID BODY, ALL SAID SUPPLEMENTAL LIPS BEING COAXIAL AND OF IDENTICAL PERIPHERY, AND MEETING SAID BODY AT SUCCESSIVE ROOTS AND SEPARATED FROM EACH OTHER BY SUCCESSIVE GROOVES OF SUCCESSIVELY INCREASING DEPTH, READING FROM SAID MAIN LIP, SAID SUPPLEMENTAL LIPS BEING PRIMARILY FOR THE PURPOSE OF EXCLUDING FOREIGN MATTER WHILE SAID MAIN LIP IS PRIMARILY FOR THE PURPOSE OF RETAINING LUBRICANT.
References Cited (Backward Citations)
US612394A
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US2304190A
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GB545437A
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DE838529C
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US2547257A
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US2887331A
Cited
US2992027A
Cited
US3049357A
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US2982997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |