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US3153802A Expired / Lapsed US ⏱️ 0.0 years remaining

Windshield wiper system

Assignee: Trico Products Corp
•
Filing: 1959-12-22
•
Granted: 1964-10-27
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Expires: 1979-12-22
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Abstract

No abstract record available.

Inventors

  • 👤 Sheldon J Howard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 01:08
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/34; B60S1/3488; B60S1/3493; B60S1/06; B60S1/16; B60S1/18; B60S1/24; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 251 words
A WINDSHIELD WIPER SYSTEM COMPRISING FIRST AND SECOND WIPER BLADES MOUNTED AT OPPOSITE SIDES OF THE CENTER OF A WINDSHIELD, FIRST AND SECOND WIPER ARMS FOR MOUNTING SAID FIRST AND SECOND WIPER BLADES, RESPECTIVELY, FIRST AND SECOND ROCKSHAFTS FOR MOUNTING SAID FIRST AND SECOND WIPER ARMS, RESPECTIVELY, FIRST AND SECOND CRANKARMS COUPLED TO SAID FIRST AND SECOND ROCKSHAFTS, RESPECTIVELY, A FIRST ELONGATED LINK, FIRST PIVOT MEANS COUPLING ONE END OF SAID FIRST ELONGATED LINK TO SAID FIRST CRANKARM, SECOND PIVOT MEANS COUPLING THE OTHER END OF SAID FIRST ELONGATED LINK TO SAID SECOND CRANKARM, A WIPER MOTOR POSITIONED BETWEEN SAID FIRST CRANKARM AND SAID SECOND CRANKARM, A THIRD CRANKARM EXTENDING FROM SAID WIPER MOTOR, AND A SECOND ELONGATED LINK EXTENDING IN GENERALLY THE SAME DIRECTION AS SAID FIRST ELONGATED LINK, THIRD PIVOT MEANS ON SAID FIRST ELONGATED LINK HAVING ITS PIVOTAL CENTER ON A LINE CONNECTING SAID FIRST AND SECOND PIVOT MEANS COUPLING ONE END OF SAID SECOND ELONGATED LINK TO SAID FIRST ELONGATED LINK PROXIMATE SAID SECOND PIVOTAL CONNECTION BUT SPACED THEREFROM ALONG THE LENGTH OF SAID FIRST LINK, FOURTH PIVOT MEANS COUPLING THE OTHER END OF SAID SECOND ELONGATED LINK TO SAID THIRD CRANKARM EXTENDING FROM SAID WIPER MOTOR WHEREBY THE MOTION OF SAID WIPER MOTOR IS TRANSMITTED TO SAID FIRST LINK THROUGH SAID SECOND LINK WITH LESS RELATIVE ROTATION BETWEEN SAID FIRST AND SECOND ELONGATED LINKS AT SAID THIRD PIVOT MEANS THAN EXISTS BETWEEN SAID FIRST ELONGATED LINK AND SAID CRANKARMS AT SAID FIRST AND SECOND PIVOT MEANS.
Claim 2
Dependent Claim 251 words
A WINDSHIELD WIPER SYSTEM COMPRISING FIRST AND SECOND WIPER BLADES MOUNTED AT OPPOSITE SIDES OF THE CENTER OF A WINDSHIELD, FIRST AND SECOND WIPER ARMS FOR MOUNTING SAID FIRST AND SECOND WIPER BLADES, RESPECTIVELY, FIRST AND SECOND ROCKSHAFTS FOR MOUNTING SAID FIRST AND SECOND WIPER ARMS, RESPECTIVELY, FIRST AND SECOND CRANKARMS COUPLED TO SAID FIRST AND SECOND ROCKSHAFTS, RESPECTIVELY, A FIRST ELONGATED LINK, FIRST PIVOT MEANS COUPLING ONE END OF SAID FIRST ELONGATED LINK TO SAID FIRST CRANKARM, SECOND PIVOT MEANS COUPLING THE OTHER END OF SAID FIRST ELONGATED LINK TO SAID SECOND CRANKARM, A WIPER MOTOR POSITIONED BETWEEN SAID FIRST CRANKARM AND SAID SECOND CRANKARM, A THIRD CRANKARM EXTENDING FROM SAID WIPER MOTOR, AND A SECOND ELONGATED LINK EXTENDING IN GENERALLY THE SAME DIRECTION AS SAID FIRST ELONGATED LINK, THIRD PIVOT MEANS ON SAID FIRST ELONGATED LINK HAVING ITS PIVOTAL CENTER ON A LINE CONNECTING SAID FIRST AND SECOND PIVOT MEANS COUPLING ONE END OF SAID SECOND ELONGATED LINK TO SAID FIRST ELONGATED LINK PROXIMATE SAID SECOND PIVOTAL CONNECTION BUT SPACED THEREFROM ALONG THE LENGTH OF SAID FIRST LINK, FOURTH PIVOT MEANS COUPLING THE OTHER END OF SAID SECOND ELONGATED LINK TO SAID THIRD CRANKARM EXTENDING FROM SAID WIPER MOTOR WHEREBY THE MOTION OF SAID WIPER MOTOR IS TRANSMITTED TO SAID FIRST LINK THROUGH SAID SECOND LINK WITH LESS RELATIVE ROTATION BETWEEN SAID FIRST AND SECOND ELONGATED LINKS AT SAID THIRD PIVOT MEANS THAN EXISTS BETWEEN SAID FIRST ELONGATED LINK AND SAID CRANKARMS AT SAID FIRST AND SECOND PIVOT MEANS.

References Cited (Backward Citations)

US1520904A Cited
FR772917A Cited
FR48939E Cited
DE734423C Cited
DE911701C Cited
US2691186A Cited
US3003172A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-10-27 1968-04-27 1968-10-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-10-27 1972-04-27 1972-10-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-10-27 1976-04-27 1976-10-27 $7700.00 Window Closed / Lapsed

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