US3089403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual purpose door heater discharge
Assignee: L J WING Manufacturing CO
•
Filing: 1961-01-19
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Granted: 1963-05-14
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Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Banko Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:21
CPC Classifications
F; F24; F24F; F24F9/00; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/89
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A WALL HAVING A DOOR OPENING, A DOOR FOR SAID OPENING, A HEATER INSIDE THE WALL AND SPACED THEREFROM AND ADJACENT SAID OPENING, SAID HEATER COMPRISING A CASING HAVING AN INLET END AND A DISCHARGE END, A MOTOR OPERATED FAN AT THE INLET END OF THE CASING, A DAMPER IN SAID CASING AT THE DISCHARGE END THEREOF, AN ELECTRIC MOTOR ON THE CASING, MEANS CONTROLLED BY THE MOTOR TO ACTUATE THE DAMPER, HEATING MEANS IN THE CASING, AND SAID DAMPER BEING MOVABLE FROM A POSITION ALLOWING AIR TO BE BLOWN BY THE FAN THROUGH THE ENTIRE DISCHARGE END AND IN ONE DIRECTION TO A POSITION IN WHICH THE AIR CAN BE BLOWN BY THE FAN THROUGH PART ONLY OF SAID DISCHARGE END AND IN ANOTHER DIRECTION, AND MEANS CONTROLLED BY SAID DOOR TO CONTROL OPERATION OF SAID ELECTRIC MOTOR.
Claim 2
Dependent Claim
139 words
A WALL HAVING A DOOR OPENING, A DOOR FOR SAID OPENING, A HEATER INSIDE THE WALL AND SPACED THEREFROM AND ADJACENT SAID OPENING, SAID HEATER COMPRISING A CASING HAVING AN INLET END AND A DISCHARGE END, A MOTOR OPERATED FAN AT THE INLET END OF THE CASING, A DAMPER IN SAID CASING AT THE DISCHARGE END THEREOF, AN ELECTRIC MOTOR ON THE CASING, MEANS CONTROLLED BY THE MOTOR TO ACTUATE THE DAMPER, HEATING MEANS IN THE CASING, AND SAID DAMPER BEING MOVABLE FROM A POSITION ALLOWING AIR TO BE BLOWN BY THE FAN THROUGH THE ENTIRE DISCHARGE END AND IN ONE DIRECTION TO A POSITION IN WHICH THE AIR CAN BE BLOWN BY THE FAN THROUGH PART ONLY OF SAID DISCHARGE END AND IN ANOTHER DIRECTION, AND MEANS CONTROLLED BY SAID DOOR TO CONTROL OPERATION OF SAID ELECTRIC MOTOR.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |