Patent US3114168A successfully refreshed from Google Patents.
US3114168A
Expired / Lapsed
US
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Hydraulic windshield wiper and washer
Assignee: Individual
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Filing: 1962-02-27
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Granted: 1963-12-17
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Taylor S Blackwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:00
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/46; B60S1/48; B60S1/481; B60S1/482; B60S1/483; B60S1/04; B60S1/32; B60S1/34; B60S1/3415; B60S1/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A WINDSHIELD CLEANING APPARATUS COMPRISING IN COMBINATION: A WINDSHIELD WIPER ARM, A HOUSING FOR SUPPORTING THE ARM, A HYDRAULICALLY OPERATED MOTOR CONNECTED TO THE WIPER ARM FOR OSCILLATING THE SAME, A RESERVOIR FOR HYDRAULIC FLUID, SUPPLY AND EXHAUST CONDUITS LEADING FROM THE RESERVOIR, A REVERSING VALVE FOR CONTROLLING FLOW OF FLUID FROM SAID SUPPLY CONDUIT TO SAID MOTOR AND FROM SAID MOTOR TO SAID EXHAUST CONDUIT, A BRANCH CONDUIT LEADING FROM THE EXHAUST CONDUIT TO SAID HOUSING, MEANS FOR DIRECTING FLUID FROM SAID HOUSING TO THE WINDSHIELD, AND A VALVE IN SAID BRANCH CONDUIT FOR CONTROLLING THE AMOUNT OF FLUID DELIVERED TO THE WINDSHIELD.
Claim 2
Dependent Claim
104 words
A WINDSHIELD CLEANING APPARATUS COMPRISING IN COMBINATION: A WINDSHIELD WIPER ARM, A HOUSING FOR SUPPORTING THE ARM, A HYDRAULICALLY OPERATED MOTOR CONNECTED TO THE WIPER ARM FOR OSCILLATING THE SAME, A RESERVOIR FOR HYDRAULIC FLUID, SUPPLY AND EXHAUST CONDUITS LEADING FROM THE RESERVOIR, A REVERSING VALVE FOR CONTROLLING FLOW OF FLUID FROM SAID SUPPLY CONDUIT TO SAID MOTOR AND FROM SAID MOTOR TO SAID EXHAUST CONDUIT, A BRANCH CONDUIT LEADING FROM THE EXHAUST CONDUIT TO SAID HOUSING, MEANS FOR DIRECTING FLUID FROM SAID HOUSING TO THE WINDSHIELD, AND A VALVE IN SAID BRANCH CONDUIT FOR CONTROLLING THE AMOUNT OF FLUID DELIVERED TO THE WINDSHIELD.
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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |