US2915386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for supplying treating agents sequentially to molten metal
Assignee: Vanadium Corp of America
•
Filing: 1955-01-24
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Granted: 1959-12-01
•
Expires: 1975-01-24
Abstract
No abstract record available.
Inventors
- 👤 Strauss Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:08
CPC Classifications
C; C21; C21C; C21C7/00; C22; C22C; C22C33/00; C22C33/08; F; F27; F27D; F27D3/00; F27D3/0025; F27D3/0026; Y; Y10; Y10S; Y10S220/00; Y10S220/30; Y10T; Y10T428/00; Y10T428/12; Y10T428/12222
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A DEVICE FOR SUPPLYING TREATING AGENTS SEQUENTIALLY TO MOLTEN METAL, WHICH COMPRISES AN OPEN ENDED CONTAINER HAVING A BASE AND A SIDE WALL, THE BASE BEING THICKER THAN ATHE SIDE WALL, THE CONTAINER BEING DIVIDED INTO A PLURALITY OF COMPARTMENTS BY AT LEAST ONE TRANSVERSE PARTITION, THE PARTITION MELTING BEFORE THE BASE, A DIFFERENT TREATING GENT IN EACH COMPARTMENT, THE TREATING AGENT IN THE COMPARTMENT ADJACENT THE OPEN END OF THE CONTAINER BEING THE ONE DERSIRED TO BE FIRST LIBERATED FROM THE CONTAINER WHEN THE DEVICE IS IMMERSED IN MOLTEN METAL, THE TREATING AGENT IN THE COMPARTMENT ADJACENT THE BASE BEING THE ONE DESIRED TO BE LIBERATED LAST.
Claim 2
Independent Claim
108 words
A DEVICE FOR SUPPLYING TREATING AGENTS SEQUENTIALLY TO MOLTEN METAL, WHICH COMPRISES AN OPEN ENDED CONTAINER HAVING A BASE AND A SIDE WALL, THE BASE BEING THICKER THAN ATHE SIDE WALL, THE CONTAINER BEING DIVIDED INTO A PLURALITY OF COMPARTMENTS BY AT LEAST ONE TRANSVERSE PARTITION, THE PARTITION MELTING BEFORE THE BASE, A DIFFERENT TREATING GENT IN EACH COMPARTMENT, THE TREATING AGENT IN THE COMPARTMENT ADJACENT THE OPEN END OF THE CONTAINER BEING THE ONE DERSIRED TO BE FIRST LIBERATED FROM THE CONTAINER WHEN THE DEVICE IS IMMERSED IN MOLTEN METAL, THE TREATING AGENT IN THE COMPARTMENT ADJACENT THE BASE BEING THE ONE DESIRED TO BE LIBERATED LAST.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |