Patent US4516783B1 successfully refreshed from Google Patents.
US4516783B1
Expired / Lapsed
US
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Seal assembly with radially overlapping seal
Assignee: NSK Ltd
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Filing: 1984-06-08
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Granted: 1994-08-02
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Expires: 2004-06-08
Abstract
No abstract record available.
Inventors
- 👤 Naoki Mitsue
- 👤 Hideki Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:13
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7803; F16C33/7813; F16C33/7869; F16C33/7879; F16C33/7883; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3248; F16J15/3252; F16J15/3256; F16C19/00; F16C19/22; F16C19/34; F16C19/38; F16C19/383; F16C19/385; F16C19/386
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-08-01 | 1998-01-31 | 1998-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-08-01 | 2002-01-31 | 2002-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-08-01 | 2006-01-31 | 2006-08-02 | $7700.00 | Window Closed / Lapsed |