US3211443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal holding receptacle
Assignee: Alcoa Corp
•
Filing: 1962-04-13
•
Granted: 1965-10-12
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Expires: 1982-04-13
Abstract
No abstract record available.
Inventors
- 👤 Bernard M Starner
- 👤 Stanley C Jacobs
- 👤 Jarrett Noel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:05
CPC Classifications
F; F27; F27D; F27D1/00; B; B22; B22D; B22D41/00; C; C22; C22B; C22B21/00; C22B21/0084; F27B; F27B14/00; F27B14/08; F27B14/10; F27B14/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AN OPEN TOP HOLDING RECEPTACLE FOR TEMPORARY RETENTION OF CHARGES OF LMOLTEN ALUMINUM AND ALUMINUM BASE ALLOYS HAVING ENCLOSURE FORMING SIDE WALLS AND A KBOTTOM THAT SERVE TO SUBSTANTIALLY REDUCE LEAKAGE OF AND LOSS OF HEAT FROM A CONTAINED MOLTEN CHARGE THERETHROUGH COMPRISING AN EXTERNALLY DISPOSED OPEN TOP RECEPTACLE-FORMING SHELL AND A MOLTEN CHARGE CONFINING MULTILAYER LINING OF SUBSTANTIAL THICKNESS THEREWITH EXTENDING OVER A SUBSTANTIAL PORTION OF SAID SIDE WALLS AND OVER THE ENTIRE BOTTOM, SAID MULTILAYER LINING INCLUDING A RELATIVELY THICK SELF-SUPPORTING OUTER COURSE OF HIGH TEMPERATURE INSULAT-
Claim 2
Dependent Claim
89 words
AN OPEN TOP HOLDING RECEPTACLE FOR TEMPORARY RETENTION OF CHARGES OF LMOLTEN ALUMINUM AND ALUMINUM BASE ALLOYS HAVING ENCLOSURE FORMING SIDE WALLS AND A KBOTTOM THAT SERVE TO SUBSTANTIALLY REDUCE LEAKAGE OF AND LOSS OF HEAT FROM A CONTAINED MOLTEN CHARGE THERETHROUGH COMPRISING AN EXTERNALLY DISPOSED OPEN TOP RECEPTACLE-FORMING SHELL AND A MOLTEN CHARGE CONFINING MULTILAYER LINING OF SUBSTANTIAL THICKNESS THEREWITH EXTENDING OVER A SUBSTANTIAL PORTION OF SAID SIDE WALLS AND OVER THE ENTIRE BOTTOM, SAID MULTILAYER LINING INCLUDING A RELATIVELY THICK SELF-SUPPORTING OUTER COURSE OF HIGH TEMPERATURE INSULAT-
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |