US2963151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die changing apparatus for metal extrusion press
Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1956-10-18
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Granted: 1960-12-06
•
Expires: 1976-10-18
Abstract
No abstract record available.
Inventors
- 👤 Francis J Kent
- 👤 Hammon Otto
- 👤 Eric T Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:38
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/21; B21C23/212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US396923A
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US1317238A
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DE602176C
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US2388558A
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US2491897A
Cited
US2720970A
Cited
US2728453A
Cited
US2738063A
Cited
US2731123A
Cited
US2880867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |