Patent US3245458A successfully refreshed from Google Patents.
US3245458A
Expired / Lapsed
US
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Radiant gas burner
Assignee: SCHWANK Inc
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Filing: 1962-12-11
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Granted: 1966-04-12
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Expires: 1982-12-11
Abstract
No abstract record available.
Inventors
- 👤 Malcolm W Patrick
- 👤 Konrad E Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:57
CPC Classifications
F; F23; F23C; F23C99/00; F23D; F23D14/00; F23D14/12; F23D14/14; F23D14/145; F24; F24C; F24C1/00; F24C1/08; F24C1/10; F23C2700/00; F23C2700/04; F23C2700/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN INFRARED BURNER FOR GENERATING SHORT AND INTERMEDIATE WAVE RADIANT ENERGY, COMPRISING: (A) A DISTRIBUTION CHAMBER; (B) A THIN PERFORATED RADIANT MEMBER, ONE SIDE OF SAID MEMBER BEING IN FLUID COMMUNICATION WITH THE INTERIOR OF SAID CHAMBER; (C) MEANS FOR FORCING A COMBUSTIBLE MIXTURE FROM SAID DISTRIBUTION CHAMBER THROUGH THE PERFORATIONS IN SAID MEMBER TO A COMBUSTION ZONE IMMEDIATELY ADJACENT THE EXTERIOR SURFACE OF SAID MEMBER; (D) SAID DISTRIBUTION CHAMBER BEING A TAPERED, CIRCULARLY SECTIONED TUBE; (E) SAID RADIANT MEMBER HAVING A FRUSTO-CONICAL CONFIGURATION AND BEING SUPPORTED ADJACENT ONE END OF SAID TAPERED TUBE, SAID TUBE END AND THE ADJACENT END OF SAID RADIANT MEMBER HAVING SUBSTANTIALLY EQUAL DIAMETERS AND SUBSTANTIALLY THE SAME AMOUNT OF TAPER, WHEREIN SAID RADIANT MEMBER FORMS A PROLONGATION OF SAID TUBE; AND (F) A THIN, PERFORATED, ARCUATELY SECTIONED RADIANT MEMBER ACROSS THE OTHER END OF SAID FRUSTO-CONICAL RADIANT MEMBER.
Claim 2
Dependent Claim
144 words
AN INFRARED BURNER FOR GENERATING SHORT AND INTERMEDIATE WAVE RADIANT ENERGY, COMPRISING: (A) A DISTRIBUTION CHAMBER; (B) A THIN PERFORATED RADIANT MEMBER, ONE SIDE OF SAID MEMBER BEING IN FLUID COMMUNICATION WITH THE INTERIOR OF SAID CHAMBER; (C) MEANS FOR FORCING A COMBUSTIBLE MIXTURE FROM SAID DISTRIBUTION CHAMBER THROUGH THE PERFORATIONS IN SAID MEMBER TO A COMBUSTION ZONE IMMEDIATELY ADJACENT THE EXTERIOR SURFACE OF SAID MEMBER; (D) SAID DISTRIBUTION CHAMBER BEING A TAPERED, CIRCULARLY SECTIONED TUBE; (E) SAID RADIANT MEMBER HAVING A FRUSTO-CONICAL CONFIGURATION AND BEING SUPPORTED ADJACENT ONE END OF SAID TAPERED TUBE, SAID TUBE END AND THE ADJACENT END OF SAID RADIANT MEMBER HAVING SUBSTANTIALLY EQUAL DIAMETERS AND SUBSTANTIALLY THE SAME AMOUNT OF TAPER, WHEREIN SAID RADIANT MEMBER FORMS A PROLONGATION OF SAID TUBE; AND (F) A THIN, PERFORATED, ARCUATELY SECTIONED RADIANT MEMBER ACROSS THE OTHER END OF SAID FRUSTO-CONICAL RADIANT MEMBER.
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |