US3310047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burning infra-red heating device
Assignee: Roberts Gordon Appliance Corp
•
Filing: 1965-03-22
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Granted: 1967-03-21
•
Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Robert G Budden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:38
CPC Classifications
F; F23; F23C; F23C99/00; F23D; F23D14/00; F23D14/02; F23D14/04; F23D14/10; F23D14/12; F23D14/14; F23D14/145; F24; F24C; F24C15/00; F24C15/22; F24C3/00; F24C3/04; F24C3/042; F23C2700/00; F23C2700/04; F23C2700/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
AN INFRA-RED HEATING DEVICE INCLUDING A GAS BURNER EXTENDING LENGTHWISE OF SAID DEVICE, A RADIANT HEAT EMITTER INCLUDING A PAIR OF PANELS EXTENDING UPWARDLY AND MEETING AT THEIR UPPER ENDS TO FORM AN INVERTED V-SHAPED STRUCTURE, SAID PANELS BEING OF PERFORATED METAL OF HIGH HEAT EMITTING SURFACES AND HAVING THEIR LOWER PARTS FLARED OUTWARDLY TO FORM BETWEEN THEM A PASSAGE FOR FLAME AND HOT PRODUCTS OF COMBUSTION AND IN WHICH SAID BURNER IS ARRANGED, AND A REFLECTOR HAVING INCLINED, DOWNWARDLY EXTENDING REFLECTING SURFACES ARRANGED AT OPPOSITE SIDES OF SAID HEAT EMITTER AND WHICH REFLECTS RADIANT HEAT FROM SAID EMITTER DOWNWARDLY, SAID REFLECTOR FORMING A HOOD ABOUT SAID RADIANT HEAT EMITTER AND CONFINING THE PRODUCTS OF COMBUSTION ABOUT SAID EMITTER AND VENTING THE SAME ONLY FROM THE LOWER EDGES THEREOF.
Claim 2
Dependent Claim
129 words
AN INFRA-RED HEATING DEVICE INCLUDING A GAS BURNER EXTENDING LENGTHWISE OF SAID DEVICE, A RADIANT HEAT EMITTER INCLUDING A PAIR OF PANELS EXTENDING UPWARDLY AND MEETING AT THEIR UPPER ENDS TO FORM AN INVERTED V-SHAPED STRUCTURE, SAID PANELS BEING OF PERFORATED METAL OF HIGH HEAT EMITTING SURFACES AND HAVING THEIR LOWER PARTS FLARED OUTWARDLY TO FORM BETWEEN THEM A PASSAGE FOR FLAME AND HOT PRODUCTS OF COMBUSTION AND IN WHICH SAID BURNER IS ARRANGED, AND A REFLECTOR HAVING INCLINED, DOWNWARDLY EXTENDING REFLECTING SURFACES ARRANGED AT OPPOSITE SIDES OF SAID HEAT EMITTER AND WHICH REFLECTS RADIANT HEAT FROM SAID EMITTER DOWNWARDLY, SAID REFLECTOR FORMING A HOOD ABOUT SAID RADIANT HEAT EMITTER AND CONFINING THE PRODUCTS OF COMBUSTION ABOUT SAID EMITTER AND VENTING THE SAME ONLY FROM THE LOWER EDGES THEREOF.
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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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |