Patent US3129930A successfully refreshed from Google Patents.
US3129930A
Expired / Lapsed
US
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Mobile roof burner system for heating of open hearth furnaces or the like
Assignee: BRULEX ETUDE ET Ets
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Filing: 1960-09-23
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Granted: 1964-04-21
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Expires: 1980-09-23
Abstract
No abstract record available.
Inventors
- 👤 Labat-Camy Andre Pierre Honore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:19
CPC Classifications
F; F27; F27D; F27D99/00; F27D99/0001; F27D99/0033; C; C03; C03B; C03B5/00; C03B5/16; C03B5/235; C21; C21C; C21C5/00; C21C5/04; F27B; F27B3/00; F27B3/10; F27B3/20; F27B3/205; F27D21/00; F27D21/0014; F27D21/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A DIRECT HEATING FURNACE, COMPRISING, IN COMBINATION A FURNACE CHAMBER FOR MATERIAL TO BE HEATED, A ROOF IN SAID FURNACE POSITIONED ABOVE SAID MATERIAL, A PLURALITY OF DIRECT FLAME HEATING MEANS MOVABLE BETWEEN A POSITION ADJACENT BUT BELOW SAID ROOF AND A POSITION ABOVE BUT ADJACENT SAID MATERIAL, MEANS FOR MOVING SAID DIRECT HEATING MEANS TO MAINTAIN THE SURFACE OF SAID MATERIAL DURING HEATING SUBJECT TO THE MAXIMUM HEATING ACTION OF SAID FLAMES OF SAID HEATING MEANS SUBSTANTIALLY OVER THE SURFACE OF SAID MATERIAL IRRESPECTIVE OF THE SELECTED QUANTITY OF FUEL FED TO SAID HEATING MEANS, MEANS PROVIDING FOR THE GENERATION OF A PREDETERMINED HEAT OUTPUT BY SAID HEATING MEANS IN ANY ADJUSTED POSITION OF SAID HEATING MEANS WITHIN SAID CHAMBER, MEANS INDICATING THE POSITION OF THE SURFACE OF SAID MATERIAL TO BE HEATED AND MEANS FOR SELECTIVE MOVEMENT OF SAID HEATING MEANS IN CORRESPONDENCE WITH ANY MOVEMENT OF SAID SURFACE.
Claim 2
Dependent Claim
151 words
A DIRECT HEATING FURNACE, COMPRISING, IN COMBINATION A FURNACE CHAMBER FOR MATERIAL TO BE HEATED, A ROOF IN SAID FURNACE POSITIONED ABOVE SAID MATERIAL, A PLURALITY OF DIRECT FLAME HEATING MEANS MOVABLE BETWEEN A POSITION ADJACENT BUT BELOW SAID ROOF AND A POSITION ABOVE BUT ADJACENT SAID MATERIAL, MEANS FOR MOVING SAID DIRECT HEATING MEANS TO MAINTAIN THE SURFACE OF SAID MATERIAL DURING HEATING SUBJECT TO THE MAXIMUM HEATING ACTION OF SAID FLAMES OF SAID HEATING MEANS SUBSTANTIALLY OVER THE SURFACE OF SAID MATERIAL IRRESPECTIVE OF THE SELECTED QUANTITY OF FUEL FED TO SAID HEATING MEANS, MEANS PROVIDING FOR THE GENERATION OF A PREDETERMINED HEAT OUTPUT BY SAID HEATING MEANS IN ANY ADJUSTED POSITION OF SAID HEATING MEANS WITHIN SAID CHAMBER, MEANS INDICATING THE POSITION OF THE SURFACE OF SAID MATERIAL TO BE HEATED AND MEANS FOR SELECTIVE MOVEMENT OF SAID HEATING MEANS IN CORRESPONDENCE WITH ANY MOVEMENT OF SAID SURFACE.
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |