US3014583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion apparatus
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1957-04-11
•
Granted: 1961-12-26
•
Expires: 1977-04-11
Abstract
No abstract record available.
Inventors
- 👤 Clifton J Huffman
- 👤 Roland J Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:02
CPC Classifications
B; B21; B21C; B21C25/00; B21C25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1717620A
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US2172867A
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US2389876A
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US2530669A
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US2528260A
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US2673645A
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US2867321A
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US2894623A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |