US3269449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner apparatus
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1964-09-21
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Granted: 1966-08-30
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Wilson J Witten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:00
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/12; F23D14/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
225 words
A SURFACE COMBUSTION BURNER APPARATUS COMPRISING: A HOLLOW CYLINDER OF FABRIC POROUSLY WOVEN OF HEAT RESISTANT FIBRES, SAID HOLLOW CYLINDER OF FABRIC INCLUDING INNER AND OUTER SURFACE PORTIONS AND FIRST AND SECONE END PORTIONS; A MEMBER OF RIGID MATERIAL WITHIN SAID HOLLOW CYLINDER OF FABRIC TO PREVENT THE COLLAPSE OF SAID HOLLOW CYLINDER; INLET COUPLING MEANS INCLUDING A HOLLOW COUPLING MEMBER FOR RECEIVING A COMBUSTIBLE MIXTURE OF GAS, SAID HOLLOW COUPLING MEMBER INCLUDING INNER AND OUTER WALL PORTIONS AND FIRST AND SECOND END PORTIONS, AND A SETBACK PORTION IN THE INNER WALL PORTION ADJACENT THE FIRST END PORTION OF SAID COUPLING MEMBER, AN INLET FLANGE MEANS INCLUDING A SLEEVE PORTION AND A FLANGE PORTION EXTENDING RADIALLY OUTWARD FROM SAID SLEEVE PORTION, SAID SLEEVE PORTION BEING FIXEDLY FITTED IN THE SETBACK PORTION OF SAID COUPLING MEMBER, AN INNER RETAINING RING INCLUDING A SLEEVE AND A RADIALLY INWARDLY EXTENDING FLANGE, THE FLANGE OF SAID INNER RETAINING RING BEING FIXED TO THE FLANGE PORTION OF SAID INLET FLANGE MEANS, THE SLEEVE OF SAID INNER RETAINING RING BEING POSITIONED WITHIN THE FIRST END PORTION OF SAID HOLLOW CYLINDER OF FABRIC; AND END CLOSURE MEANS FOR CLOSING OFF THE SECOND END PORTION OF SAID HOLLOW CYLINDER, AND MEANS FOR URGING THE FIRST END PORTION OF SAID HOLLOW CYLINDERS IN TIGHT FITTING RELATIONSHIP WITH THE SLEEVE OF SAID INNER RETAINING RING.
Claim 2
Dependent Claim
225 words
A SURFACE COMBUSTION BURNER APPARATUS COMPRISING: A HOLLOW CYLINDER OF FABRIC POROUSLY WOVEN OF HEAT RESISTANT FIBRES, SAID HOLLOW CYLINDER OF FABRIC INCLUDING INNER AND OUTER SURFACE PORTIONS AND FIRST AND SECONE END PORTIONS; A MEMBER OF RIGID MATERIAL WITHIN SAID HOLLOW CYLINDER OF FABRIC TO PREVENT THE COLLAPSE OF SAID HOLLOW CYLINDER; INLET COUPLING MEANS INCLUDING A HOLLOW COUPLING MEMBER FOR RECEIVING A COMBUSTIBLE MIXTURE OF GAS, SAID HOLLOW COUPLING MEMBER INCLUDING INNER AND OUTER WALL PORTIONS AND FIRST AND SECOND END PORTIONS, AND A SETBACK PORTION IN THE INNER WALL PORTION ADJACENT THE FIRST END PORTION OF SAID COUPLING MEMBER, AN INLET FLANGE MEANS INCLUDING A SLEEVE PORTION AND A FLANGE PORTION EXTENDING RADIALLY OUTWARD FROM SAID SLEEVE PORTION, SAID SLEEVE PORTION BEING FIXEDLY FITTED IN THE SETBACK PORTION OF SAID COUPLING MEMBER, AN INNER RETAINING RING INCLUDING A SLEEVE AND A RADIALLY INWARDLY EXTENDING FLANGE, THE FLANGE OF SAID INNER RETAINING RING BEING FIXED TO THE FLANGE PORTION OF SAID INLET FLANGE MEANS, THE SLEEVE OF SAID INNER RETAINING RING BEING POSITIONED WITHIN THE FIRST END PORTION OF SAID HOLLOW CYLINDER OF FABRIC; AND END CLOSURE MEANS FOR CLOSING OFF THE SECOND END PORTION OF SAID HOLLOW CYLINDER, AND MEANS FOR URGING THE FIRST END PORTION OF SAID HOLLOW CYLINDERS IN TIGHT FITTING RELATIONSHIP WITH THE SLEEVE OF SAID INNER RETAINING RING.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |