Patent US3219901A successfully refreshed from Google Patents.
US3219901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield wiper control
Assignee: Motorola Solutions Inc
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Filing: 1963-06-27
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Granted: 1965-11-23
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Expires: 1983-06-27
Abstract
No abstract record available.
Inventors
- 👤 Roland J Foreman
- 👤 Richard O Silberbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:44
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/08; B60S1/0803; B60S1/0807; H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/29; Y; Y10; Y10S; Y10S15/00; Y10S15/15; Y10S318/00; Y10S318/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A CONTROL SYSTEM FOR RECIPROCALLY DRIVING A DRIVEN INSTRUMENTALITY OVER AN ARCUATE PATH, SAID CONTROL SYSTEM INCLUDING IN COMBINATION; AN ELECTRIC DRIVE MOTOR ADAPTED TO BE COUPLED TO THE INSTRUMENTALITY FOR DRIVING THE INSTRUMENTALITY THROUGH ONE COMPLETE CYCLE OF ITS ARCUATE RECIPROCAL MOVEMENT, AN ENERGIZING CIRCUIT, SWITCHING MEANS COUPLING SAID ENERGIZING CIRCUIT TO SAID DRIVE MOTOR AND HAVING A FIRST CONDITION IN WHICH SAID ENERGIZING CIRCUIT SUPPLIES ELECTRICAL ENERGY TO SAID DRIVE MOTOR TO ENERGIZE SAID DRIVE MOTOR AND HAVING A SECOND CONDITION IN WHICH SAID ENERGIZING CIRCUIT IS DISCONNECTED FROM SAID DRIVE MOTOR, CONTROL MEANS COUPLED TO SAID SWITCHING MEANS FOR PERIODICALLY ACTUATING SAID SWITCHING MEANS FROM ITS SECOND CONDITION TO ITS FIRST CONDITION AT SPACED INTERVALS INTERMITTENTLY TO ENERGIZE SAID DRIVE MOTOR, AND CIRCUIT CLOSING MEANS COUPLED TO SAID SWITCHING MEANS AND ACTUATED BY SAID DRIVE MOTOR TO MAINTAIN SAID SWITCHING MEANS IN SAID FIRST CONDITION DURING A COMPLETE TRAVERSE OF SAID ARCUATE PATH BY SAID INSTRUMENTALITY.
Claim 2
Dependent Claim
159 words
A CONTROL SYSTEM FOR RECIPROCALLY DRIVING A DRIVEN INSTRUMENTALITY OVER AN ARCUATE PATH, SAID CONTROL SYSTEM INCLUDING IN COMBINATION; AN ELECTRIC DRIVE MOTOR ADAPTED TO BE COUPLED TO THE INSTRUMENTALITY FOR DRIVING THE INSTRUMENTALITY THROUGH ONE COMPLETE CYCLE OF ITS ARCUATE RECIPROCAL MOVEMENT, AN ENERGIZING CIRCUIT, SWITCHING MEANS COUPLING SAID ENERGIZING CIRCUIT TO SAID DRIVE MOTOR AND HAVING A FIRST CONDITION IN WHICH SAID ENERGIZING CIRCUIT SUPPLIES ELECTRICAL ENERGY TO SAID DRIVE MOTOR TO ENERGIZE SAID DRIVE MOTOR AND HAVING A SECOND CONDITION IN WHICH SAID ENERGIZING CIRCUIT IS DISCONNECTED FROM SAID DRIVE MOTOR, CONTROL MEANS COUPLED TO SAID SWITCHING MEANS FOR PERIODICALLY ACTUATING SAID SWITCHING MEANS FROM ITS SECOND CONDITION TO ITS FIRST CONDITION AT SPACED INTERVALS INTERMITTENTLY TO ENERGIZE SAID DRIVE MOTOR, AND CIRCUIT CLOSING MEANS COUPLED TO SAID SWITCHING MEANS AND ACTUATED BY SAID DRIVE MOTOR TO MAINTAIN SAID SWITCHING MEANS IN SAID FIRST CONDITION DURING A COMPLETE TRAVERSE OF SAID ARCUATE PATH BY SAID INSTRUMENTALITY.
References Cited (Backward Citations)
US2782356A
Cited
US2945997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |