US3170504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic burner plate
Assignee: Corning Glass Works
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Filing: 1962-06-05
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Granted: 1965-02-23
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Expires: 1982-06-05
Abstract
No abstract record available.
Inventors
- 👤 John G Lanning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:25
CPC Classifications
F; F23; F23C; F23C99/00; F23D; F23D14/00; F23D14/12; F23D14/14; F23D14/145; F23D14/151; F23C2700/00; F23C2700/04; F23C2700/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A GAS BURNER PLATE COMPRISING A THIN WALLED CERAMIC HONEYCOMB HAVING AN INLET SURFACE AND AN OPPOSED COMBUSTION SURFACE, A PLURALITY OF UNOBSTRUCTED GAS PASSAGES UNIFORMLY DISTRIBUTED THROUGHOUT THE HONEYCOMB AND EXTENDING BETWEEN AND TERMINATING IN SAID SURFACES, SAID PASSAGES BEING DEFINED AND SEPARATED FROM ONE ANOTHER BY THIN WALLS OF CERAMIC, EACH SAID PASSAGE HAVING A CROSSSECTIONAL AREA NOT EXCEEDING 0.006 SQUARE INCH, THE AGGREGATE CROSS-SECTIONAL AREAS OF THE GAS PASSAGES PROVIDING AN OPEN SPACE OF AT LEAST 20% OF THE AREA OF SAID COMBUSTION SURFACE, AT LEAST A PORTION OF SAID COMBUSTION SURFACE HAVING A CONFIGURATION COMPRISING A PLURALITY OF PEAKED PROTRUSIONS, ADJACENT PEAKED PROTRUSIONS HAVING ADJACENT SLOPING SURFACES FORMING AN INCLUDED ANGLE THEREBETWEEN OF ABOUT 20 TO 120* AND HAVING APEXES SPACED AT LEAST A DISTANCE OF 1/8 INCH WHEREBY A PLURALITY OF SAID GAS PASSAGES TERMINATE IN THE SLOPING SURFACES OF EACH SAID PEAKED PROTRUSION, AND THE LENGTH OF ALL SAID GAS PASSAGES BEING AT LEAST ABOUT 0.2 INCH.
Claim 2
Dependent Claim
163 words
A GAS BURNER PLATE COMPRISING A THIN WALLED CERAMIC HONEYCOMB HAVING AN INLET SURFACE AND AN OPPOSED COMBUSTION SURFACE, A PLURALITY OF UNOBSTRUCTED GAS PASSAGES UNIFORMLY DISTRIBUTED THROUGHOUT THE HONEYCOMB AND EXTENDING BETWEEN AND TERMINATING IN SAID SURFACES, SAID PASSAGES BEING DEFINED AND SEPARATED FROM ONE ANOTHER BY THIN WALLS OF CERAMIC, EACH SAID PASSAGE HAVING A CROSSSECTIONAL AREA NOT EXCEEDING 0.006 SQUARE INCH, THE AGGREGATE CROSS-SECTIONAL AREAS OF THE GAS PASSAGES PROVIDING AN OPEN SPACE OF AT LEAST 20% OF THE AREA OF SAID COMBUSTION SURFACE, AT LEAST A PORTION OF SAID COMBUSTION SURFACE HAVING A CONFIGURATION COMPRISING A PLURALITY OF PEAKED PROTRUSIONS, ADJACENT PEAKED PROTRUSIONS HAVING ADJACENT SLOPING SURFACES FORMING AN INCLUDED ANGLE THEREBETWEEN OF ABOUT 20 TO 120* AND HAVING APEXES SPACED AT LEAST A DISTANCE OF 1/8 INCH WHEREBY A PLURALITY OF SAID GAS PASSAGES TERMINATE IN THE SLOPING SURFACES OF EACH SAID PEAKED PROTRUSION, AND THE LENGTH OF ALL SAID GAS PASSAGES BEING AT LEAST ABOUT 0.2 INCH.
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |