US3176117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric space heater unit
Assignee: Marley Wylain Co LLC
•
Filing: 1961-03-09
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Granted: 1965-03-30
•
Expires: 1981-03-09
Abstract
No abstract record available.
Inventors
- 👤 Knoll David
- 👤 Greenhaus Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:17
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405; F24H3/0411
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
AN ELECTRIC SPACE HEATER UNIT COMPRISING A DOUBLE OPEN ENDED HOUSING HAVING TOP, BOTTOM AND SIDE WALLS, A SUPPORTING ROD SECURED TO AND EXTENDING UPWARDLY FROM THE TOP WALL FOR ATTACHMENT TO A SUPPORT MEMBER, A GRILL CARRIED AT ONE END OF THE HOUSING, A FAN CARRIED AT THE OTHER END OF SAID HOUSING AND OPERABLE TO PRODUCE A FLOW OF AIR THROUGH SAID HOUSING, SAID BOTTOM WALL HAVING A RELATIVELY LARGE OPENING THEREIN DISPOSED BETWEEN THE ENDS OF SAID HOUSING BETWEEN SAID FAN AND SAID GRILL, A CHASSIS REMOVABLY SECURED TO PERIPHERAL EDGES OF AND CLOSING SAID OPENING, A COVER MEMBER OVERLYING SAID CHASSIS, SAID CHASSIS AND SAID COVER DEFINING A BOX-LIKE ENCLOSURE, ELECTRIC COILED HEATING MEANS CARRIED BY AND IN CANTILEVERED RELATIONSHIP TO SAID CHASSIS AND EXTENDING INTO SAID HOUSING AND AIR FLOW AT A POINT INTERMEDIATE SAID FAN AND GRILL, SAID HEATING MEANS EXTENDING THROUGH SAID CHASSIS FOR SUPPORT OF SAID HEATING MEANS AND HAVING TERMINALS LOCATED IN SAID ENCLOSURE ADAPTED TO BE CONNECTED TO A SOURCE OF ELECTRIC ENERGY, WIRING MEANS FOR SAID HEATING MEANS LOCATED IN SAID ENCLOSURE AND INCLUDING ELECTRICAL CONTROL MEANS INTERCONNECTED WITH SAID HEATING MEANS TERMINALS TO CONTROL THE APPLICATION OF ELECTRICAL ENERGY THERETO, SAID ELECTRICAL CONTROL MEANS INCLUDING A THERMAL CIRCUIT BREAKER AND A MANUALLY RESETTABLE CIRCUIT BREAKER MEANS HAVING A RESET LEVER ACCESSIBLE FROM THE EXTERIOR OF SAID ENCLOSURE.
Claim 2
Dependent Claim
229 words
AN ELECTRIC SPACE HEATER UNIT COMPRISING A DOUBLE OPEN ENDED HOUSING HAVING TOP, BOTTOM AND SIDE WALLS, A SUPPORTING ROD SECURED TO AND EXTENDING UPWARDLY FROM THE TOP WALL FOR ATTACHMENT TO A SUPPORT MEMBER, A GRILL CARRIED AT ONE END OF THE HOUSING, A FAN CARRIED AT THE OTHER END OF SAID HOUSING AND OPERABLE TO PRODUCE A FLOW OF AIR THROUGH SAID HOUSING, SAID BOTTOM WALL HAVING A RELATIVELY LARGE OPENING THEREIN DISPOSED BETWEEN THE ENDS OF SAID HOUSING BETWEEN SAID FAN AND SAID GRILL, A CHASSIS REMOVABLY SECURED TO PERIPHERAL EDGES OF AND CLOSING SAID OPENING, A COVER MEMBER OVERLYING SAID CHASSIS, SAID CHASSIS AND SAID COVER DEFINING A BOX-LIKE ENCLOSURE, ELECTRIC COILED HEATING MEANS CARRIED BY AND IN CANTILEVERED RELATIONSHIP TO SAID CHASSIS AND EXTENDING INTO SAID HOUSING AND AIR FLOW AT A POINT INTERMEDIATE SAID FAN AND GRILL, SAID HEATING MEANS EXTENDING THROUGH SAID CHASSIS FOR SUPPORT OF SAID HEATING MEANS AND HAVING TERMINALS LOCATED IN SAID ENCLOSURE ADAPTED TO BE CONNECTED TO A SOURCE OF ELECTRIC ENERGY, WIRING MEANS FOR SAID HEATING MEANS LOCATED IN SAID ENCLOSURE AND INCLUDING ELECTRICAL CONTROL MEANS INTERCONNECTED WITH SAID HEATING MEANS TERMINALS TO CONTROL THE APPLICATION OF ELECTRICAL ENERGY THERETO, SAID ELECTRICAL CONTROL MEANS INCLUDING A THERMAL CIRCUIT BREAKER AND A MANUALLY RESETTABLE CIRCUIT BREAKER MEANS HAVING A RESET LEVER ACCESSIBLE FROM THE EXTERIOR OF SAID ENCLOSURE.
References Cited (Backward Citations)
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |