Patent US3010712A successfully refreshed from Google Patents.
US3010712A
Expired / Lapsed
US
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Apparatus for treating molten light metal
Assignee: Alcoa Corp
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Filing: 1958-11-21
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Granted: 1961-11-28
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Expires: 1978-11-21
Abstract
No abstract record available.
Inventors
- 👤 William Q Judge
- 👤 Francis L Rusnock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:19
CPC Classifications
C; C22; C22B; C22B9/00; C22B9/05; C22B9/055; C22B21/00; C22B21/06; C22B21/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US449815A
Cited
US1972432A
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US2354353A
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US2400194A
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US2821472A
Cited
US2863558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |