US2960221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion press for elongated cross-sections
Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1954-04-12
•
Granted: 1960-11-15
•
Expires: 1974-04-12
Abstract
No abstract record available.
Inventors
- 👤 Heinrich B Albers
- 👤 Gerhard P Krause
- 👤 Frederick T Morrison
- 👤 Gerard George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:48
CPC Classifications
B; B21; B21C; B21C25/00; B21C25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US421666A
Cited
US900401A
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FR376132A
Cited
US1199080A
Cited
US1836821A
Cited
US2061407A
Cited
US2392336A
Cited
US2389876A
Cited
US2748934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |