Patent US3769898A successfully refreshed from Google Patents.
US3769898A
Expired / Lapsed
US
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Device for an automobile for securing visibility in the rain
Assignee: Individual
•
Filing: 1971-07-09
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Granted: 1973-11-06
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Expires: 1991-07-09
Abstract
Abstract A device for an automobile for securing visibility, in which the rain drops coming in contact with the windshield of the automobile are scattered and removed by blasting across the windshield air drawn through the grill at the front end of the body of the automobile.
Inventors
- 👤 T Ide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:01
CPC Classifications
B; B60; B60J; B60J1/00; B60J1/20; B60S; B60S1/00; B60S1/02; B60S1/54
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
114 words
In combination with an automobile windshield, a device for securing visibility in rain, said device comprising, an air duct having an air intake and a fan shaped rear end portion, said fanshaped rear end portion disposed for blasting air on the lower outer surface of the windshield, and a weir disposed near the upper outer surface of the windshield separate of the windshield support, said weir disposed to receive rain pushed upward on the windshield by a stream of blasting air from the said fan-shaped rear end portion of the air duct and to cause received rain to flow down a part of the outer windshield which is outside a field of desired visibility.
Claim 2
Dependent Claim
114 words
In combination with an automobile windshield, a device for securing visibility in rain, said device comprising, an air duct having an air intake and a fan shaped rear end portion, said fanshaped rear end portion disposed for blasting air on the lower outer surface of the windshield, and a weir disposed near the upper outer surface of the windshield separate of the windshield support, said weir disposed to receive rain pushed upward on the windshield by a stream of blasting air from the said fan-shaped rear end portion of the air duct and to cause received rain to flow down a part of the outer windshield which is outside a field of desired visibility.
Claim 3
Dependent Claim
14 words
The device of claim 1 wherein a fan is disposed within the air duct.
Claim 4
Dependent Claim
14 words
The device of claim 2 wherein the fan is driven by a magnetic clutch.
Claim 5
Dependent Claim
14 words
The devIce of claim 2 wherein the fan is driven by the automobile engine.
Claim 6
Dependent Claim
29 words
The device of claim 1 wherein the air intake is disposed near the front portion of the automobile, with the air duct being disposed within the engine housing area.
Claim 7
Dependent Claim
12 words
The device of claim 5 wherein two air intakes are so disposed.
Claim 8
Dependent Claim
25 words
The device of claim 1 wherein the weir is a wedge shaped member disposed as an arch along the upper outer portion of the windshield.
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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |