US3174531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner assembly
Assignee: United States Steel Corp
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Filing: 1962-06-20
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Granted: 1965-03-23
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 Alvin T Walstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:00
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/12; F23D14/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A NOZZLE MIX RADIANT BURNER ASSEMBLY COMPRISING A BURNER BODY, A STRAIGHT AIR TUBE FASTENED TO SAID BURNER BODY, A STRAIGHT IMPERFORATE GAS RAW FUEL TUBE EXTENDING THROUGH SAID BODY INTO SAID AIR TUBE, AND A ONE PIECE GENERALLY T-SHAPED BURNER TIP MOUNTED ON THE INNER END OF SAID GAS TUBE IN AXIAL ALIGNMENT THEREWITH AND WITH ITS HEAD END PROJECTING RADIALLY BEYOND THE OPENING OF SAID AIR TUBE, THE HEAD END OF SAID BURNER TIP BEING CLOSED WITH A PLURALITY OF ELONGATED AND ENCLOSED GAS OPENINGS THERETHROUGH HAVING THEIR AXES DIVERGING OUTWARDLY FROM THE AXIS OF SAID BURNER TIP TOWARD TO THE DISCHARGE END TO OF THE BURNER, SAID GAS OPENINGS BEING SPACED APART A DISTANCE SUBSTANTIALLY GREATER THAN THE TRANSVESE SECTION THEREOF, THE INNER FACE OF THE HEAD END OF SAID BURNER TIP SLOPING RADIALLY OUTWARDLY TOWARD THE FORWARD END OF SAID TIP AND BEING SPACED FROM THE FORWARD END OF SAID AIR TUBE TO DEFINE AN AIR SLOT THEREBETWEEN, SAID AIR TUBE BEING SEPARATE FROM THE GAS TUBE AND BURNER TIP AT THE END ADJACENT THE BURNER TIP SO THAT SAID GAS TUBE AND BURNER TIP ARE FREE TO EXPAND AXIALLY WITH RESPECT TO SAID AIR TUBE ON THERMAL CHANGES.
Claim 2
Dependent Claim
203 words
A NOZZLE MIX RADIANT BURNER ASSEMBLY COMPRISING A BURNER BODY, A STRAIGHT AIR TUBE FASTENED TO SAID BURNER BODY, A STRAIGHT IMPERFORATE GAS RAW FUEL TUBE EXTENDING THROUGH SAID BODY INTO SAID AIR TUBE, AND A ONE PIECE GENERALLY T-SHAPED BURNER TIP MOUNTED ON THE INNER END OF SAID GAS TUBE IN AXIAL ALIGNMENT THEREWITH AND WITH ITS HEAD END PROJECTING RADIALLY BEYOND THE OPENING OF SAID AIR TUBE, THE HEAD END OF SAID BURNER TIP BEING CLOSED WITH A PLURALITY OF ELONGATED AND ENCLOSED GAS OPENINGS THERETHROUGH HAVING THEIR AXES DIVERGING OUTWARDLY FROM THE AXIS OF SAID BURNER TIP TOWARD TO THE DISCHARGE END TO OF THE BURNER, SAID GAS OPENINGS BEING SPACED APART A DISTANCE SUBSTANTIALLY GREATER THAN THE TRANSVESE SECTION THEREOF, THE INNER FACE OF THE HEAD END OF SAID BURNER TIP SLOPING RADIALLY OUTWARDLY TOWARD THE FORWARD END OF SAID TIP AND BEING SPACED FROM THE FORWARD END OF SAID AIR TUBE TO DEFINE AN AIR SLOT THEREBETWEEN, SAID AIR TUBE BEING SEPARATE FROM THE GAS TUBE AND BURNER TIP AT THE END ADJACENT THE BURNER TIP SO THAT SAID GAS TUBE AND BURNER TIP ARE FREE TO EXPAND AXIALLY WITH RESPECT TO SAID AIR TUBE ON THERMAL CHANGES.
References Cited (Backward Citations)
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Cited
GB189501857A
Cited
US1731306A
Cited
US2389027A
Cited
US2561795A
Cited
US2513087A
Cited
US2759533A
Cited
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |