US3616485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable windshield wiper blade unit
Assignee: Hastings Manufacturing Co
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Filing: 1969-12-10
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Granted: 1971-11-02
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Expires: 1989-12-10
Abstract
Abstract A FLEXIBLE WIPER ELEMENT SUPPORTED BY A RESILIENTLY FLEXIBLE BACKING STRIP. IN SOME EMBODIMENTS THE WIPER ELEMENT AND BACKING STRIP ARE BONDED TOGETHER. IN OTHER EMBODIMENTS THE BACKING STRIP INCLUDES A PAIR OF TRANSVERSELY SPACED STRIP MEMBERS WHICH RETAIN THE WIPER ELEMENT THEREBETWEEN. LONGITUDINAL EDGE PORTIONS OF THE BACKING STRIP ARE EMBRACED BY THE USUAL CLAWS OF A WIPER PRESSURE UNIT, AND LONGITUDINALLY SPACED DETENTS ARE PROVIDED ON THE BACKING STRIP TO RELEASABLY OR SNAP-FITTINGLY RECEIVE ONE OF THE CLAWS BETWEEN THEM, WHEREBY TO RELEASABLY HOLD THE BLADE UNIT AND PRESSURE UNIT IN ASSEMBLED RELATION.
Inventors
- 👤 William J Quinlan
- 👤 Lawrence L Huver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:53
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3801; B60S2001/3812; B60S2001/3817; B60S2001/382
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) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |