Patent JPS6289346A successfully refreshed from Google Patents.
US2797938A
Expired / Lapsed
US
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Floating seal
Assignee: Federal Mogul Bower Bearings Inc
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Filing: 1953-07-02
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Granted: 1957-07-02
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Expires: 1973-07-02
Abstract
No abstract record available.
Inventors
- 👤 Noel S Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:46
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2208482A
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US2188854A
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US2358536A
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GB556441A
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US2385941A
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US2434686A
Cited
US2467210A
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US2482029A
Cited
GB621526A
Cited
US2698194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |