US3260255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incandescent gas fires
Assignee: Individual
•
Filing: 1964-02-06
•
Granted: 1966-07-12
•
Expires: 1984-02-06
Abstract
No abstract record available.
Inventors
- 👤 Oatley Arthur Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:07
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/04; F24C3/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A RADIANT AND CONVECTOR GAS-FIRED, ROOM HEATER COMPRISING IN COMBINATION A BODY; A GAS-HEATED RADIANT PANEL AT THE FRONT OF THE BODY; AT LEAST ONE VENT ADAPTED TO BE CONNECTED TO THE DRAUGHT-INDUCING FLUE; A HEATEXCHANGER HAVING SEPARATED PATHS IN THERMAL TRANSFERRING RELATIONSHIP FOR PRODUCTS OF COMBUSTION AND FOR CONVECTION AIR, THE PRODUCTS PATH HAVING AN ENTRY DISPOSED TO RECEIVE PRODUCTS FROM THE RADIANT PANEL AND AN EXIT OPEN TO THE VENT, AND THE CONVECTION AIR PATH HAVING AN OUTLET FROM THE BODY; MEANS FOR ADMITTING INDUCTED AIR THROUGH THE ROOM HEATER TO THE VENT AND MEANS FOR DIVERTING SUCH INDUCTED AIR FROM THE PRODUCTS PATH AND DIRECTLY INTO THE VENT.
Claim 2
Dependent Claim
111 words
A RADIANT AND CONVECTOR GAS-FIRED, ROOM HEATER COMPRISING IN COMBINATION A BODY; A GAS-HEATED RADIANT PANEL AT THE FRONT OF THE BODY; AT LEAST ONE VENT ADAPTED TO BE CONNECTED TO THE DRAUGHT-INDUCING FLUE; A HEATEXCHANGER HAVING SEPARATED PATHS IN THERMAL TRANSFERRING RELATIONSHIP FOR PRODUCTS OF COMBUSTION AND FOR CONVECTION AIR, THE PRODUCTS PATH HAVING AN ENTRY DISPOSED TO RECEIVE PRODUCTS FROM THE RADIANT PANEL AND AN EXIT OPEN TO THE VENT, AND THE CONVECTION AIR PATH HAVING AN OUTLET FROM THE BODY; MEANS FOR ADMITTING INDUCTED AIR THROUGH THE ROOM HEATER TO THE VENT AND MEANS FOR DIVERTING SUCH INDUCTED AIR FROM THE PRODUCTS PATH AND DIRECTLY INTO THE VENT.
References Cited (Backward Citations)
US1855980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |