Patent US3485753A successfully refreshed from Google Patents.
US3485753A
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Hot extrusion of metals and lubricant therefor
Assignee: Cefilac SA
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Filing: 1965-04-08
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Granted: 1969-12-23
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Expires: 1985-04-08
Abstract
No abstract record available.
Inventors
- 👤 Philippe Allais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:19
CPC Classifications
C; C10; C10M; C10M125/00; B; B21; B21C; B21C23/00; B21C23/32; C10M125/26; C10M125/28; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/12; C10M2207/00; C10M2207/40; C10M2207/404; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/10
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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |