Patent US3262005A successfully refreshed from Google Patents.
US3262005A
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High intensity carbon electrode
Assignee: Union Carbide Corp
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Filing: 1963-08-26
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Granted: 1966-07-19
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Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Marvin R Riek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:30
CPC Classifications
H; H05; H05B; H05B31/00; H05B31/02; H05B31/06; H05B31/08; H05B31/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A HIGH INTENSITY ARC CARBON POSITIVE ELECTRODE COMPRISING A CORE CONSISTING PREDOMINANTLY OF AA CARBONACEOUS MATERIAL AND FLAME MATERIAL, AND A SHELL CONSISTING PREDOMINANTLY OF CARBONACEOUS MATERIAL AND CONTAINING BETWEEN 0.1 AND 6% BY WEIGHT OF AT LEAST ONE OXIDE OF THE METALS ZIRCONIUM AND TITANIUM, SAID PERCENT BY WEIGHT BEING COMPUTED AS A METAL DIOXIDE BASED ON THE WEIGHT OF SAID SHELL WITHOUT SAID OXIDE.
Claim 2
Dependent Claim
66 words
A HIGH INTENSITY ARC CARBON POSITIVE ELECTRODE COMPRISING A CORE CONSISTING PREDOMINANTLY OF AA CARBONACEOUS MATERIAL AND FLAME MATERIAL, AND A SHELL CONSISTING PREDOMINANTLY OF CARBONACEOUS MATERIAL AND CONTAINING BETWEEN 0.1 AND 6% BY WEIGHT OF AT LEAST ONE OXIDE OF THE METALS ZIRCONIUM AND TITANIUM, SAID PERCENT BY WEIGHT BEING COMPUTED AS A METAL DIOXIDE BASED ON THE WEIGHT OF SAID SHELL WITHOUT SAID OXIDE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |