US2810478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion of hollow bodies
Assignee: COMPTOIR IND ETIRAGE
•
Filing: 1953-04-16
•
Granted: 1957-10-22
•
Expires: 1973-04-16
Abstract
No abstract record available.
Inventors
- 👤 Sejournet Jacques
- 👤 Buffet Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:23
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA479483A
Cited
US590130A
Cited
GB190021052A
Cited
US1444270A
Cited
US1702278A
Cited
US1848083A
Cited
US2128705A
Cited
US2244954A
Cited
US2207004A
Cited
US2483376A
Cited
CH234397A
Cited
GB607285A
Cited
US2538917A
Cited
US2668345A
Cited
GB667985A
Cited
US2630220A
Cited
FR1043869A
Cited
US2756494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |