US2925176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dummy head or block for end of extrusion ram
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1956-09-14
•
Granted: 1960-02-16
•
Expires: 1976-09-14
Abstract
No abstract record available.
Inventors
- 👤 Wyngaert William Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:05
CPC Classifications
B; B21; B21C; B21C26/00; B21C35/00; B21C35/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US878092A
Cited
US927076A
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US2031014A
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US2165711A
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US2160963A
Cited
FR932334A
Cited
US2639809A
Cited
GB732603A
Cited
US2879887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |