US3562839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield cleaning apparatus for motor vehicles
Assignee: Trico Products Corp
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Filing: 1968-07-12
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Granted: 1971-02-16
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Expires: 1988-07-12
Abstract
Abstract A WINDSHIELD WASHER AND WIPER ASSEMBLY INCLUDES A CAM ACTUATED RECIPROCATING PISTON PUMP WHICH DISCHARGES WASHER SOLVENT THROUGH A DISTRIBUTOR VALVE. THE DISTRIBUTOR VALVE DIRECTS THE PUMP DISCHARGE ALTERNATELY THROUGH ONE OR THE OTHER OF A PAIR OF NOZZLES LOCATED ON THE WINDSHIELD WIPER ARMS. A CAM DRIVEN BY THE WIPER MOTOR ACTUATES THE PUMP, AND ALSO OPERATES THE DISTRIBUTOR VALVE TO ALTERNATELY OPEN ONE OR THE OTHER OF A PAIR OF DISCHARGE PORTS THEREBY SYNCHRONIZING THE SPRAY OF THE WASHER SOLVENT WITH THE POSITION AND DIRECTION OF MOTION OF THE WIPER ARMS ON THE SHIELD.
Inventors
- 👤 William C Riester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:50
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/46; B60S1/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |