Patent US5015240A successfully refreshed from Google Patents.
Patent US2592645A successfully refreshed from Google Patents.
US2592645A
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Means for sealing fluid lubricant in the hub of a rotating element
Assignee: GRACE K ISRAEL
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Filing: 1950-06-02
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Granted: 1952-04-15
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Expires: 1970-06-02
Abstract
No abstract record available.
Inventors
- 👤 Allan J Kayser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:27
CPC Classifications
B; B60; B60B; B60B27/00; B60B27/001; B60B27/0073; B60B27/02; B60B35/00; B60B35/02; B60B35/025; F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3248; F16J15/3252; F16J15/3256; F16J15/3264; F16J15/34; F16J15/3436; F16J15/3456; B60B2310/00; B60B2310/30; B60B2310/305; B60B2360/00; B60B2360/10; B60B2380/00; B60B2380/10; B60B2380/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1437833A
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US2076218A
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US2250348A
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US2132249A
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US2254198A
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US2391007A
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US2512148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |