Patent US848161A successfully refreshed from Google Patents.
Patent US3306622A successfully refreshed from Google Patents.
US3306622A
Expired / Lapsed
US
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Reinforced bearing seal
Assignee: ILLINOIS MILLING Inc
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Filing: 1965-01-26
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Granted: 1967-02-28
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Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Liebig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:04
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3268; F16J15/3272; Y; Y10; Y10S; Y10S277/00; Y10S277/935; Y10S277/944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN OIL SEAL COMPRISING AN ARCUATE BODY OF ELASTOMERIC MATERIAL, AN INTEGRAL SEALING LIP OF ELASTOMERIC MATERIAL EXTENDING SUBSTANTIALLY RADIALLY IN FROM SAID BODY AND HAVING A SEALING EDGE PORTION ADAPTED TO ENGAGE A ROTATING SHAFT, AND A SUBSTANTIALLY RIGID ARCUATE REINFORCING MEMBER EMBEDDED IN SAID ELASTOMERIC BODY AND EXTENDING ARCUATELY SUBSTANTIALLY FROM END-TO-END THEREOF, SAID REINFORCING MEMBER BODY BEING SUBSTANTIALLY U-SHAPED IN CROSS SECTION HAVING A PAIR OF SPACED APART SUBSTANTIALLY PARALLEL SIDE WALLS AND AN INTERCONNECTING BIGHT, SAID BIGHT BEING JOINED TO THE RADIALLY INNER EDGES OF SAID SIDEWALLS AND BEING DISPOSED RELATIVELY ADJACENT THE RADIALLY INNER PORTION OF SAID ELASTOMERIC BODY, AND ADJACENT SAID LIP, SAID BIGHT HAVING AN ARCUATE RIB EXTENDING RADIALLY INWARDLY INTO SAID LIP AND REINFORCING SAID LIP IN THE VICINITY OF SAID SEALING EDGE.
Claim 2
Dependent Claim
131 words
AN OIL SEAL COMPRISING AN ARCUATE BODY OF ELASTOMERIC MATERIAL, AN INTEGRAL SEALING LIP OF ELASTOMERIC MATERIAL EXTENDING SUBSTANTIALLY RADIALLY IN FROM SAID BODY AND HAVING A SEALING EDGE PORTION ADAPTED TO ENGAGE A ROTATING SHAFT, AND A SUBSTANTIALLY RIGID ARCUATE REINFORCING MEMBER EMBEDDED IN SAID ELASTOMERIC BODY AND EXTENDING ARCUATELY SUBSTANTIALLY FROM END-TO-END THEREOF, SAID REINFORCING MEMBER BODY BEING SUBSTANTIALLY U-SHAPED IN CROSS SECTION HAVING A PAIR OF SPACED APART SUBSTANTIALLY PARALLEL SIDE WALLS AND AN INTERCONNECTING BIGHT, SAID BIGHT BEING JOINED TO THE RADIALLY INNER EDGES OF SAID SIDEWALLS AND BEING DISPOSED RELATIVELY ADJACENT THE RADIALLY INNER PORTION OF SAID ELASTOMERIC BODY, AND ADJACENT SAID LIP, SAID BIGHT HAVING AN ARCUATE RIB EXTENDING RADIALLY INWARDLY INTO SAID LIP AND REINFORCING SAID LIP IN THE VICINITY OF SAID SEALING EDGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |