Patent US2879156A successfully refreshed from Google Patents.
US2879156A
Expired / Lapsed
US
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Methods for the treatment of a melt with briquetted substances
Assignee: Individual
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Filing: 1956-06-07
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Granted: 1959-03-24
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Expires: 1976-06-07
Abstract
No abstract record available.
Inventors
- 👤 Hurum Fredrik Jorgen Ording
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:41
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/52; C21C5/5241; C21C7/00; C21C7/0056; Y; Y02; Y02P; Y02P10/00; Y02P10/25; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD FOR ACCELERATING THE TREATMENT OF A METALLURGICAL MELT COMPRISING THE STEPS OF FORMING A BRIQUETTE WITH A HOLE THEREIN, STACKING A PLURALITY OF SUCH BRIQUETTES ON A ROD PASSING THROUGH THE HOLED IN THE BRIQUETTE SO THAT THE COMMON SURFACE OF CONTACT BETWEEN ANY TWO JUXTAPOSED BRIQUETTES IS MATERIALLY LESS THAN THE TOTAL SURFACE AREA OF THE NON-CONTACTING AREAS, AND IMMERSING THE STACK OF BRIGUETTES INTO THE METALLURGICAL MELT.
Claim 2
Independent Claim
71 words
A METHOD FOR ACCELERATING THE TREATMENT OF A METALLURGICAL MELT COMPRISING THE STEPS OF FORMING A BRIQUETTE WITH A HOLE THEREIN, STACKING A PLURALITY OF SUCH BRIQUETTES ON A ROD PASSING THROUGH THE HOLED IN THE BRIQUETTE SO THAT THE COMMON SURFACE OF CONTACT BETWEEN ANY TWO JUXTAPOSED BRIQUETTES IS MATERIALLY LESS THAN THE TOTAL SURFACE AREA OF THE NON-CONTACTING AREAS, AND IMMERSING THE STACK OF BRIGUETTES INTO THE METALLURGICAL MELT.
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) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |