US3258058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant gas burners
Assignee: Antargaz Distribution de Gaz SA
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Filing: 1961-05-10
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Granted: 1966-06-28
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Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 Herault Jean A D P L
- 👤 Joseph M J Morgand
- 👤 Louis P R Lepage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:13
CPC Classifications
F; F23; F23C; F23C99/00; F23D; F23D14/00; F23D14/12; F23D14/125; F23D14/126; F23D14/14; F23D14/145; F23D14/149; F23C2700/00; F23C2700/04; F23C2700/043; F23D2203/00; F23D2203/10; F23D2203/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A RADIANT GAS BURNER COMPRISING A PLATE OF HEATINSULATING REFRACTORY MATERIAL FORMED WITH A MULTITUDE OF PASSAGES EXTENDING TRANSVERSELY THROUGH IT FOR CONDUCTING FROM ITS INNER SIDE STREAMS OF A COMBUSTIBLE GAS MIXTURE TO BE BURNED AT ITS OUTER SIDE, SAID PLATE BEING SUFFICIENTLY THICK AND HEAT INSULATING THAT ITS INNER SURFACE REMAINS BELOW A TEMPERATURE THAT WOULD IGNITE SAID MIXTURE WHILE ITS OUTER SURFACE IS KEPT INCANDESCENT BY THE BURNING OF SAID STREAMS, SAID PASSAGES COMPRISING INLETS EXTENDING FROM SAID INNER SURFACE INTO THE PLATE FOR DISTRIBUTION OF SAID MIXTURE AND SLOTS NARROWER THAN SAID INLETS AND FORMED INWARD FROM THE OUTER SIDE OF SAID PLATE AND EACH INTERCONNECTING THE OUTER ENDS OF A PLURALITY OF SAID INLETS SO AS TO AFFORD PASSAGE FREEDOM FOR SAID MIXTURE YET PREVENT BACK-FIRING THROUGH THE PLATE, EACH OF SAID SLOTS BEING SUFFICIENTLY NARROW TO KEEP SAID MIXTURE FLOWING THROUGH IT AT A VELOCITY CONFINING THE FLAME THEREOF TO SAID OUTER SIDE.
Claim 2
Dependent Claim
159 words
A RADIANT GAS BURNER COMPRISING A PLATE OF HEATINSULATING REFRACTORY MATERIAL FORMED WITH A MULTITUDE OF PASSAGES EXTENDING TRANSVERSELY THROUGH IT FOR CONDUCTING FROM ITS INNER SIDE STREAMS OF A COMBUSTIBLE GAS MIXTURE TO BE BURNED AT ITS OUTER SIDE, SAID PLATE BEING SUFFICIENTLY THICK AND HEAT INSULATING THAT ITS INNER SURFACE REMAINS BELOW A TEMPERATURE THAT WOULD IGNITE SAID MIXTURE WHILE ITS OUTER SURFACE IS KEPT INCANDESCENT BY THE BURNING OF SAID STREAMS, SAID PASSAGES COMPRISING INLETS EXTENDING FROM SAID INNER SURFACE INTO THE PLATE FOR DISTRIBUTION OF SAID MIXTURE AND SLOTS NARROWER THAN SAID INLETS AND FORMED INWARD FROM THE OUTER SIDE OF SAID PLATE AND EACH INTERCONNECTING THE OUTER ENDS OF A PLURALITY OF SAID INLETS SO AS TO AFFORD PASSAGE FREEDOM FOR SAID MIXTURE YET PREVENT BACK-FIRING THROUGH THE PLATE, EACH OF SAID SLOTS BEING SUFFICIENTLY NARROW TO KEEP SAID MIXTURE FLOWING THROUGH IT AT A VELOCITY CONFINING THE FLAME THEREOF TO SAID OUTER SIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |