US3304169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of deoxidizing metals
Assignee: Union Carbide Corp
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Filing: 1963-10-01
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Granted: 1967-02-14
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Expires: 1983-10-01
Abstract
No abstract record available.
Inventors
- 👤 Frank S Death
- 👤 Bruce C Whitmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:44
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/42; B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/342; C07; C07C; C07C2/00; C07C2/76; C07C2/80; C10; C10G; C10G15/00; C21; C21B; C21B13/00; C21B13/12; C21B13/125; C21C; C21C5/00; C21C5/52; C22; C22B; C22B11/00; C22B11/02; C22B15/00; C22B15/0026; C22B15/006; C22B4/00; C22B4/005; C22B9/00; C22B9/05; H01; H01J; H01J37/00; H01J37/32; H01J37/32009; H01J37/32055; C01B2201/00; C01B2201/10; Y; Y02; Y02P; Y02P10/00; Y02P10/10; Y02P10/134; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
METHOD OF DEOXIDIZING METALS TAKEN FROM THE GROUP CONSISTING OF COPPER, SILVER AND GOLD WHICH COMPRISES PROVIDING AND MAINTAINING A MOLTEN METALLIC BATH CONTAINING SAID METAL TO BE DEOXIDIZED, ESTABLISHING AN ELECTRIC ARE BETWEEN A NON-CONSUMABLE ELECTRODE AND SAID MOLTEN METALLIC BATH, SUPPLYING AN ARE GAS INTO SAID ARE, FLOWING A HYDROCARBON CONTAINING GAS THROUGH A NOZZLE
Claim 2
Dependent Claim
57 words
METHOD OF DEOXIDIZING METALS TAKEN FROM THE GROUP CONSISTING OF COPPER, SILVER AND GOLD WHICH COMPRISES PROVIDING AND MAINTAINING A MOLTEN METALLIC BATH CONTAINING SAID METAL TO BE DEOXIDIZED, ESTABLISHING AN ELECTRIC ARE BETWEEN A NON-CONSUMABLE ELECTRODE AND SAID MOLTEN METALLIC BATH, SUPPLYING AN ARE GAS INTO SAID ARE, FLOWING A HYDROCARBON CONTAINING GAS THROUGH A NOZZLE
References Cited (Backward Citations)
US2989397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |