US3090068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield wiper
Assignee: Ford Motor Co
•
Filing: 1961-07-03
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Granted: 1963-05-21
•
Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:33
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/08; B60S1/16; B60S1/166
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A TWO SPEED WINDSHIELD WIPER SYSTEM COMPRISING, AN ELECTRIC MOTOR HAVING TWO FIELD WINDINGS, A WINDSHIELD WIPER BLADE, DRIVING MEANS INTERCONNECTING SAID WINDSHIELD WIPER BLADE AND SAID ELECTRIC MOTOR, A SOURCE OF ELECTRICAL ENERGY, A THREE POSITION SWITCH MEANS CONNECTED TO SAID SOURCE OF ELECTRICAL ENERGY AND TO SAID ELECTRIC MOTOR FOR ENERGIZING SAID FIELD WINDINGS IN SERIES WITH ONE ANOTHER WHEN THE SWITCH MEANS IS LOCATED IN A FIRST POSITION AND FOR ENERGIZING SAID FIELD WINDINGS IN PARALLEL WITH ONE ANOTHER WHEN THE SWITCH MEANS IS LOCATED IN A SECOND POSITION, A PARKING SWITCH MEANS DRIVEN BY SAID ELECTRIC MOTOR FOR PERIODICALLY OPENING SAID PARKING SWITCH, SAID THREE POSITION SWITCH MEANS ENERGIZING SAID FIELD WINDINGS IN PARALLEL WITH ONE ANOTHER THROUGH SAID PARKING SWITCH WHEN THE SWITCH MEANS IS LOCATED IN A THIRD POSITION.
Claim 2
Dependent Claim
135 words
A TWO SPEED WINDSHIELD WIPER SYSTEM COMPRISING, AN ELECTRIC MOTOR HAVING TWO FIELD WINDINGS, A WINDSHIELD WIPER BLADE, DRIVING MEANS INTERCONNECTING SAID WINDSHIELD WIPER BLADE AND SAID ELECTRIC MOTOR, A SOURCE OF ELECTRICAL ENERGY, A THREE POSITION SWITCH MEANS CONNECTED TO SAID SOURCE OF ELECTRICAL ENERGY AND TO SAID ELECTRIC MOTOR FOR ENERGIZING SAID FIELD WINDINGS IN SERIES WITH ONE ANOTHER WHEN THE SWITCH MEANS IS LOCATED IN A FIRST POSITION AND FOR ENERGIZING SAID FIELD WINDINGS IN PARALLEL WITH ONE ANOTHER WHEN THE SWITCH MEANS IS LOCATED IN A SECOND POSITION, A PARKING SWITCH MEANS DRIVEN BY SAID ELECTRIC MOTOR FOR PERIODICALLY OPENING SAID PARKING SWITCH, SAID THREE POSITION SWITCH MEANS ENERGIZING SAID FIELD WINDINGS IN PARALLEL WITH ONE ANOTHER THROUGH SAID PARKING SWITCH WHEN THE SWITCH MEANS IS LOCATED IN A THIRD POSITION.
References Cited (Backward Citations)
US1947265A
Cited
US2499298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |