Patent US3602126A successfully refreshed from Google Patents.
US3602126A
Expired / Lapsed
US
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Heating and ventilation installation for a motor vehicle
Assignee: Daimler Benz AG
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Filing: 1969-05-21
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Granted: 1971-08-31
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Expires: 1989-05-21
Abstract
Abstract A heating and ventilation installation for a motor vehicle in which the inner covering of the door and body sidewalls consists of a tough and hard foamed material which itself forms two channels provided, respectively, with upwardly and downwardly directed openings.
Inventors
- 👤 Werner Breitschwerdt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:14
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/24; B60H1/241; B60H1/243; B60H1/247; B60H1/34; B60H1/3407
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
91 words
A heating and ventilating installation for a motor vehicle wherein a portion of air flows through channels arranged in an inner cover means secured to at least one of the vehicle portions comprising the door and other sidewalls and flows from there through apertures both upwardly Toward the windows of the glassenclosed top and also downwardly into the foot space of the vehicle body, characterized in that the inner cover means consists of tough and hard foamed material of substantial thickness, and said channels being formed by the foamed material itself.
Claim 2
Dependent Claim
91 words
A heating and ventilating installation for a motor vehicle wherein a portion of air flows through channels arranged in an inner cover means secured to at least one of the vehicle portions comprising the door and other sidewalls and flows from there through apertures both upwardly Toward the windows of the glassenclosed top and also downwardly into the foot space of the vehicle body, characterized in that the inner cover means consists of tough and hard foamed material of substantial thickness, and said channels being formed by the foamed material itself.
Claim 3
Dependent Claim
60 words
An installation according to claim 1, characterized in that at least two channels each are arranged in an inner cover means, of which one channel is located below the window of a glass-enclosed top and provided with upwardly directed aperture means while the other channel is located above the vehicle floor and provided with aperture means directed toward the sides.
Claim 4
Dependent Claim
25 words
An installation according to claim 2, characterized in that a closure means is arranged in the upper channel, upstream of the upwardly directed aperture means.
Claim 5
Dependent Claim
31 words
An installation according to claim 3, characterized in that the closure means include a tube-shaped rotary slide valve means adapted to be actuated by a lever protruding into the vehicle body.
Claim 6
Dependent Claim
18 words
An installation according to claim 4, characterized in that the closure means is foamed-in into the cover means.
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) | 1974-08-30 | 1975-03-01 | 1975-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-30 | 1979-03-01 | 1979-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-30 | 1983-03-01 | 1983-08-31 | $7700.00 | Window Closed / Lapsed |