US3179733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of hard carbon deposits from the arc region of an arc furnace
Assignee: EIDP Inc
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Filing: 1962-10-18
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Granted: 1965-04-20
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Schotte William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:10
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/18; H05B7/185; B; B01; B01J; B01J19/00; B01J19/08; F; F27; F27D; F27D11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN AN ARC FURNACE FOR CONTINUOUS VAPOR PHASE REACTION OF ORGANIC COMPOUNDS, IN WHICH A ROTATION ARC PASSES ALONG A PATH OVER THE SUFACE OF THE ELECTRODE SERVING AS THE WALL OF THE FURNACE, A DEVICE FOR DISLODGING, WITHOUT INTERRUPTING THE OPERATION OF THE ARC, THE HARD, FIRMLY ADHERING CARBON FORMED WHERE THE ARC STRIKES THE WALL, COMPRISING A COOLED SCRAPER MEMBER FITTING AGAINST SAID WALL, AND MEANS FOR MOVING THE SCRAPER MEMBER INTERMITTENTLY THROUGH THE ARC TO REMOVE THE HARD CARBON DEPOSIT THEREFROM.
Claim 2
Dependent Claim
84 words
IN AN ARC FURNACE FOR CONTINUOUS VAPOR PHASE REACTION OF ORGANIC COMPOUNDS, IN WHICH A ROTATION ARC PASSES ALONG A PATH OVER THE SUFACE OF THE ELECTRODE SERVING AS THE WALL OF THE FURNACE, A DEVICE FOR DISLODGING, WITHOUT INTERRUPTING THE OPERATION OF THE ARC, THE HARD, FIRMLY ADHERING CARBON FORMED WHERE THE ARC STRIKES THE WALL, COMPRISING A COOLED SCRAPER MEMBER FITTING AGAINST SAID WALL, AND MEANS FOR MOVING THE SCRAPER MEMBER INTERMITTENTLY THROUGH THE ARC TO REMOVE THE HARD CARBON DEPOSIT THEREFROM.
References Cited (Backward Citations)
US3073769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |