US2977143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil seal with filamentary lip
Assignee: Borg Warner Corp
•
Filing: 1957-10-24
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Granted: 1961-03-28
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Expires: 1977-10-24
Abstract
No abstract record available.
Inventors
- 👤 Talamonti John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:49
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1280514A
Cited
US2008682A
Cited
GB558020A
Cited
US2367403A
Cited
US2480116A
Cited
US2647777A
Cited
US2736585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |