Patent US2732663A successfully refreshed from Google Patents.
US2715459A
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US
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Die locking arrangement for extrusion presses
Assignee: LOEWY CONSTRUCTION Co Inc
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Filing: 1953-01-02
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Granted: 1955-08-16
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Expires: 1973-01-02
Abstract
No abstract record available.
Inventors
- 👤 Gerhard P Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:32
CPC Classifications
B; B21; B21C; B21C25/00; B21C25/08; B21C25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US770471A
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US1395217A
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US2172867A
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US2231336A
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GB544114A
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US2530669A
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US2559679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |