US2630220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating process with fibrous material in the hot extrusion of metals
Assignee: COMPTOIR IND ETIRAGE
•
Filing: 1949-12-19
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Granted: 1953-03-03
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Expires: 1969-12-19
Abstract
No abstract record available.
Inventors
- 👤 Sejournet Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:32
CPC Classifications
C; C10; C10M; C10M7/00; B; B21; B21C; B21C23/00; B21C23/32; C10M2201/00; C10M2201/12; C10N; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/08; C10N2050/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US567410A
Cited
US2538917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |