Patent US3139644A successfully refreshed from Google Patents.
US3139644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield wiper
Assignee: Individual
•
Filing: 1962-04-09
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Granted: 1964-07-07
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 George O Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:47
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S2001/3812; B60S2001/3817; B60S2001/382; B60S2001/3824; B60S2001/3827; B60S2001/3836; B60S2001/3837
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A WINDSHIELD WIPER ASSEMBLY THAT COMPRISES A RESILIENT FLEXIBLE ROLLER; A FLEXIBLE SHAFT PASSING THROUGH THE LENGTH OF SAID ROLLER; SAID ROLLER BEING ADAPTED THEREBY TO FREE ROTATION ABOUT SAID SHAFT; AN ARCHED SPRING SUPPORT MEMBER; THE TERMINAL ENDS OF SAID SUPPORT MEMBER BEING ADAPTED TO RECEIVE THE TERMINAL ENDS OF SAID FLEXIBLE SHAFT; AN OSCILLATING ARM, ONE END OF WHICH IS CONNECTED TO SAID ARCHED SPRING SUPPORT MEMBER AT A POINT BETWEEN THE OPPOSITE ENDS THEREOF; THE OPPOSED END OF SAID ARM BEING CONNECTED TO THE OUTER TERMINUS OF AN AXIS ABOUT WHICH SAID ARM IS ADAPTED TO OSCILLATE IN A PRESCRIBED ARC EXERTING SIMULTANEOUSLY A FIXED, INFLEXIBLE IMPRESSMENT TOWARD SAID ARCHED SPRING ELEMENT AND ROLLER; THUS INDUCING A SPRING BIAS IN SAID ARCHED SPRING MEMBER WHEN THE ROLLER IS IN CONTACT WITH A WINDSHIELD SURFACE; SAID AXIS BEING CONNECTED AT ITS INNER TERMINUS TO MEANS FOR EFFECTING THE
Claim 2
Dependent Claim
150 words
A WINDSHIELD WIPER ASSEMBLY THAT COMPRISES A RESILIENT FLEXIBLE ROLLER; A FLEXIBLE SHAFT PASSING THROUGH THE LENGTH OF SAID ROLLER; SAID ROLLER BEING ADAPTED THEREBY TO FREE ROTATION ABOUT SAID SHAFT; AN ARCHED SPRING SUPPORT MEMBER; THE TERMINAL ENDS OF SAID SUPPORT MEMBER BEING ADAPTED TO RECEIVE THE TERMINAL ENDS OF SAID FLEXIBLE SHAFT; AN OSCILLATING ARM, ONE END OF WHICH IS CONNECTED TO SAID ARCHED SPRING SUPPORT MEMBER AT A POINT BETWEEN THE OPPOSITE ENDS THEREOF; THE OPPOSED END OF SAID ARM BEING CONNECTED TO THE OUTER TERMINUS OF AN AXIS ABOUT WHICH SAID ARM IS ADAPTED TO OSCILLATE IN A PRESCRIBED ARC EXERTING SIMULTANEOUSLY A FIXED, INFLEXIBLE IMPRESSMENT TOWARD SAID ARCHED SPRING ELEMENT AND ROLLER; THUS INDUCING A SPRING BIAS IN SAID ARCHED SPRING MEMBER WHEN THE ROLLER IS IN CONTACT WITH A WINDSHIELD SURFACE; SAID AXIS BEING CONNECTED AT ITS INNER TERMINUS TO MEANS FOR EFFECTING THE
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |