US2786755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for alloying magnesium
Assignee: Dow Chemical Co
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Filing: 1952-08-06
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Granted: 1957-03-26
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Expires: 1972-08-06
Abstract
No abstract record available.
Inventors
- 👤 Richard K Paddock
- 👤 Frank E Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:51
CPC Classifications
B; B22; B22D; B22D1/00; B01; B01F; B01F33/00; B01F33/86; B01F33/862
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
THE METHOD OF ALLOYING A DIFFICULTY ALLOYABLE METAL WITH MOLTEN MAGNESIUM AT A TEMPERATURE AT WHICH THE DIFFICULTY ALLOYABLE METAL REMAINS UNMELTED AND READILY SETTLES IN MOLTEN MAGNESIUM THE STEPS WHICH COMPRISE MAINTAINING A BODY OF THE MAGNESIUM IN THE MELTED STATE; ISOLATING A PORTION OF THE MOLTEN MAGNESIUM WITHIN THE BODY THEREOF AND SUBJECTING IT TO AGITATION SO AS TO CIRCULATE THE PORTION UPON ITSELF; CONTINUOUSLY TRANSFERRING FROM THE BODY OF THE MOLTEN MAGNESIUM TO THE ISOLATED PORTION A STREAM OF THE SAID BODY OF MOLTEN MAGNESIUM SO AS TO CONTINUOUSLY DISPLACE MOLTEN METAL FROM THE ISOLATED PORTION WHILE CIRCULATING THE ISOLATED PORTION UPON ITSELF; TRANSFERRING THE DISPLACED MOLTEN METAL TO A SEPARTNG ZONE; INTRODUCING INTO THE SEPARATING ZONE THE DIFFICULTY ALLOY-
References Cited (Backward Citations)
US1386503A
Cited
US1942202A
Cited
US2005540A
Cited
US2038221A
Cited
US2195902A
Cited
US2472757A
Cited
US2497529A
Cited
US2452894A
Cited
US2585404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |