US3618155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windscreen wiper blades
Assignee: Trico Products Corp
•
Filing: 1969-06-20
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Granted: 1971-11-09
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Expires: 1989-06-20
Abstract
Abstract A SPACE IMMEDIATELY BEHIND THE RUBBER AND TURBULENCE IN THE AREA BEHIND THE TRAILING PORTION OF THE BLADE IS MINIMIZED. THIS REDUCES THE TENDENCY OCCURRING AT HIGH VEHICLE SPEEDS TO LIFT THE BLADE AWAY FROM THE WINDSCREEN. A WINDSCREEN WIPER BLADE HAVING A LONGITUDINAL SLOT SEPARATING THE LEADING PORTION OF THE BLADE HARNESS FROM THE TRAILING PORTION. THE TRAILING EDGE OF THE LEADING PORTION EXTENDS OUTWARDLY FROM THE BLADE EDGE A GREATER DISTANCE THAN THE LEADING EDGE OF THE TRAILING PORTION. THUS THE AIRSTREAM FLOWING OVER THE WINDSCREEN IS DEFLECTED SO THAT A PORTION OF THE AIRSTREAM IS DIRECTED INTO
Inventors
- 👤 Peter Mower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:52
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3806
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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |