US3208247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner
Assignee: Gas Technology Institute
•
Filing: 1962-05-14
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Granted: 1965-09-28
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Sanford A Weil
- 👤 Jack M Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:45
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/12; F23D14/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A BURNER FOR PRODUCING ILLUMINATION BY GAS COMBUSTION COMPRISING A POROUS SHEET OF UNIFORM THICKNESS FORMED OF THORIUM OXIDE AND HAVING CERIUM OXIDE MIXED THEREWITH IN A THIN LAYER AT ONE FACE OF THE SHEET, AND CONDUIT MEANS TO CONDUCT A COMBUSTIBLE GAS MIXTURE TO THE OTHER FACE OF THE SHEET, THE GAS MIXTURE FLOWING THROUGH THE SHEET AND BURNING AT SAID ONE FACE THEREOF TO HEAT SAID FACE.
Claim 2
Dependent Claim
69 words
A BURNER FOR PRODUCING ILLUMINATION BY GAS COMBUSTION COMPRISING A POROUS SHEET OF UNIFORM THICKNESS FORMED OF THORIUM OXIDE AND HAVING CERIUM OXIDE MIXED THEREWITH IN A THIN LAYER AT ONE FACE OF THE SHEET, AND CONDUIT MEANS TO CONDUCT A COMBUSTIBLE GAS MIXTURE TO THE OTHER FACE OF THE SHEET, THE GAS MIXTURE FLOWING THROUGH THE SHEET AND BURNING AT SAID ONE FACE THEREOF TO HEAT SAID FACE.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |