Patent US3793074A successfully refreshed from Google Patents.
Patent US3359965A successfully refreshed from Google Patents.
US3359965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant heaters
Assignee: Individual
•
Filing: 1965-10-23
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Granted: 1967-12-26
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Milligan William Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:30
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/04; F24C3/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A GASEOUS-FUELED RADIANT HEATER COMPRISING: A FIRST AND SECOND GASEOUS POROUS CERAMIC TILE HAVING A BURNING SURFACE FOR BURNING A GASEOUS FUEL; MEANS FOR MOUNTING SAID FIRST AND SECOND TILES ADJACENT TO ONE ANOTHER AT AN ANGLE TO THE HORIZONTAL; MEANS FOR DEFINING A PLENUM CHAMBER INCLUDING THE SURFACES OF SAID FIRST AND SECOND TILES OPPOSITE TO SAID BURNING SURFACE; A THIRD AND FOURTH GASEOUS POROUS CERAMIC TILE EACH HAVING A RADIANT HEAT EMITTING SURFACE, AFFIXED ON OPPOSITE SIDES OF SAID ADJACENT FIRST AND SECOND TILES, SAID THIRD TILE BEING ORIENTED SO AS TO HAVE ITS RADIANT HEAT EMITTING SURFACE PARTIALLY FACING SAID BURNING SURFACE OF SAID FIRST TILE AND SAID FOURTH TILE BEING ORIENTED SO AS TO HAVE ITS RADIANT HEAT EMITTING SURFACE PARTIALLY FACING SAID BURNING SURFACE OF SAID SECOND TILE.
Claim 2
Dependent Claim
133 words
A GASEOUS-FUELED RADIANT HEATER COMPRISING: A FIRST AND SECOND GASEOUS POROUS CERAMIC TILE HAVING A BURNING SURFACE FOR BURNING A GASEOUS FUEL; MEANS FOR MOUNTING SAID FIRST AND SECOND TILES ADJACENT TO ONE ANOTHER AT AN ANGLE TO THE HORIZONTAL; MEANS FOR DEFINING A PLENUM CHAMBER INCLUDING THE SURFACES OF SAID FIRST AND SECOND TILES OPPOSITE TO SAID BURNING SURFACE; A THIRD AND FOURTH GASEOUS POROUS CERAMIC TILE EACH HAVING A RADIANT HEAT EMITTING SURFACE, AFFIXED ON OPPOSITE SIDES OF SAID ADJACENT FIRST AND SECOND TILES, SAID THIRD TILE BEING ORIENTED SO AS TO HAVE ITS RADIANT HEAT EMITTING SURFACE PARTIALLY FACING SAID BURNING SURFACE OF SAID FIRST TILE AND SAID FOURTH TILE BEING ORIENTED SO AS TO HAVE ITS RADIANT HEAT EMITTING SURFACE PARTIALLY FACING SAID BURNING SURFACE OF SAID SECOND TILE.
References Cited (Backward Citations)
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Cited
US3277948A
Cited
US3103160A
Cited
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US3289665A
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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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |