US3070437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for melting aluminum in a salt bath rotary furnace
Assignee: Motors Liquidation Co
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Filing: 1961-03-14
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Granted: 1962-12-25
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Expires: 1981-03-14
Abstract
No abstract record available.
Inventors
- 👤 Robert W Bacheldor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:43
CPC Classifications
C; C22; C22B; C22B21/00; C22B21/0084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN A ROTARY FURNACE FOR MELTING ALUMINUM IN MOLTEN SALT ON A CONTINOUS OPERATING BASIS, THE COMBINATION COMPRISING A GENERALLY CYLINDRICAL FURNACE BODY HAVING ITS LONG DIMENSION CO-EXTENSIVE WITH ITS LONGITUDINAL AXIS AND HAVING A REFACTORY LINING, MEANS FOR APPLYING HEAT TO THE INTERIOR OF SAID BODY, MEANS SUPPORTING SAID BODY
Claim 2
Dependent Claim
51 words
IN A ROTARY FURNACE FOR MELTING ALUMINUM IN MOLTEN SALT ON A CONTINOUS OPERATING BASIS, THE COMBINATION COMPRISING A GENERALLY CYLINDRICAL FURNACE BODY HAVING ITS LONG DIMENSION CO-EXTENSIVE WITH ITS LONGITUDINAL AXIS AND HAVING A REFACTORY LINING, MEANS FOR APPLYING HEAT TO THE INTERIOR OF SAID BODY, MEANS SUPPORTING SAID BODY
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |