Patent US3395645A successfully refreshed from Google Patents.
US3395645A
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US
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Shaft seal assembly
Assignee: D'etude de la Propulsion Par Reaction Villejuif SA Ste
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Filing: 1966-09-06
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Granted: 1968-08-06
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Expires: 1986-09-06
Abstract
No abstract record available.
Inventors
- 👤 Vilet Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:12
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/54; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/14; F04D29/146; F16J15/002; F16J15/008; F16J15/16; F16J15/40; F16J15/406
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |