Patent US3139022A successfully refreshed from Google Patents.
US3139022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatically controlled motor operated window vent
Assignee: Electro Transit Corp
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Filing: 1961-06-21
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Granted: 1964-06-30
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Expires: 1981-06-21
Abstract
No abstract record available.
Inventors
- 👤 Koplar Solomon Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:18
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A THERMOSTATICALLY CONTROLLED WINDOW VENT COMPRISING (A) A SUBSTANTIALLY RECTANGULAR SHAPED BODY HAVING FORMED THEREIN AN OPENING, (B) A MOVABLE VANE MOUNTED IN SAID OPENING, (C) MEANS FOR ROTATABLY MOUNTING SAID VANE IN SAID OPENING, (D) A BATTERY POWERED ELECTRICAL REVERSIBLE MOTOR, (E) AN ARCUATED FLANGE MOUNTED ON ONE END OF SAID VANE, (F) A FRICTION ROLLER MOUNTED ON THE SHAFT OF SAID MOTOR AND ROTATABLY ENGAGING SAID ARCUATED FLANGE OF SAID VANE FOR ROTATING THE SAME IN EITHER DIRECTION INTO AN OPEN OR CLOSED POSITION WITH RESPECT TO SAID OPENING, (G) A REMOTE THERMOSTATICALLY CONTROLLED SWITCH FOR INITIALLY ENERGIZING SAID MOTOR, (H) MEANS IN CIRCUIT WITH SAID CONTROL SWITCH AND SAID MOTOR FOR CONTROLLING THE PERIOD OF ENERGIZATION OF SAID MOTOR AND THE DIRECTION OF ROTATION OF SAID FRICTION ROLLER ROTATABLY CARRIED THEREBY, AND (J) MEANS CONNECTED TO SAID VANE AND MOVABLE THEREWITH FOR ACTUATING SAID LAST NAMED MEANS FOR DISRUPTING THE CIRCUIT TO SAID MOTOR AFTER SAID VANE HAS BEEN MOVED INTO EITHER POSITION BY SAID FRICTION ROLLER ROTATABLY CARRIED BY SAID MOTOR.
Claim 2
Dependent Claim
175 words
A THERMOSTATICALLY CONTROLLED WINDOW VENT COMPRISING (A) A SUBSTANTIALLY RECTANGULAR SHAPED BODY HAVING FORMED THEREIN AN OPENING, (B) A MOVABLE VANE MOUNTED IN SAID OPENING, (C) MEANS FOR ROTATABLY MOUNTING SAID VANE IN SAID OPENING, (D) A BATTERY POWERED ELECTRICAL REVERSIBLE MOTOR, (E) AN ARCUATED FLANGE MOUNTED ON ONE END OF SAID VANE, (F) A FRICTION ROLLER MOUNTED ON THE SHAFT OF SAID MOTOR AND ROTATABLY ENGAGING SAID ARCUATED FLANGE OF SAID VANE FOR ROTATING THE SAME IN EITHER DIRECTION INTO AN OPEN OR CLOSED POSITION WITH RESPECT TO SAID OPENING, (G) A REMOTE THERMOSTATICALLY CONTROLLED SWITCH FOR INITIALLY ENERGIZING SAID MOTOR, (H) MEANS IN CIRCUIT WITH SAID CONTROL SWITCH AND SAID MOTOR FOR CONTROLLING THE PERIOD OF ENERGIZATION OF SAID MOTOR AND THE DIRECTION OF ROTATION OF SAID FRICTION ROLLER ROTATABLY CARRIED THEREBY, AND (J) MEANS CONNECTED TO SAID VANE AND MOVABLE THEREWITH FOR ACTUATING SAID LAST NAMED MEANS FOR DISRUPTING THE CIRCUIT TO SAID MOTOR AFTER SAID VANE HAS BEEN MOVED INTO EITHER POSITION BY SAID FRICTION ROLLER ROTATABLY CARRIED BY SAID MOTOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |