US3306223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water pump seal
Assignee: ILLINOIS MILLING Inc
•
Filing: 1964-10-22
•
Granted: 1967-02-28
•
Expires: 1984-10-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Liebig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:55
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3436; F16J15/3456; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/12; F04D29/126; F16J15/32; F16J15/3204; F16J15/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
IN COMBINATION WITH A WATER PUMP HAVING A HOUSING WITH A CENTRAL AXIAL CAVITY AND HAVING A ROTARY SHAFT WITH AN IMPELLER THEREON, A WATER PUMP SEAL COMPRISING A RIGID MEMBER WITH A SIDEWALL FIXEDLY FITTING IN SAID CAVITY AND WITH A WALL EXTENDING RADIALLY INWARDLY THEREFROM, AN ELASTOMERIC SEAL ELEMENT MOUNTED ON SAID RIGID MEMBER INCLUDING A SUBSTANTIALLY RADIAL WALL THEREOF AND HAVING A
Claim 2
Dependent Claim
65 words
IN COMBINATION WITH A WATER PUMP HAVING A HOUSING WITH A CENTRAL AXIAL CAVITY AND HAVING A ROTARY SHAFT WITH AN IMPELLER THEREON, A WATER PUMP SEAL COMPRISING A RIGID MEMBER WITH A SIDEWALL FIXEDLY FITTING IN SAID CAVITY AND WITH A WALL EXTENDING RADIALLY INWARDLY THEREFROM, AN ELASTOMERIC SEAL ELEMENT MOUNTED ON SAID RIGID MEMBER INCLUDING A SUBSTANTIALLY RADIAL WALL THEREOF AND HAVING A
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Cited
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Cited
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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 |