US4320920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air deflector duct
Assignee: Individual
•
Filing: 1980-05-09
•
Granted: 1982-03-23
•
Expires: 2000-05-09
Abstract
Abstract An air deflector for reducing turbulence and drag at the rear area of vehicles consists of an elongated, cellular structure having inner and outer plates spaced apart by a plurality of deflector ribs. The deflector can be shaped to the contour of a specific vehicle configuration or can be provided in detachable form.
Inventors
- 👤 Robert B. Goudey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:46
CPC Classifications
B; B62; B62D; B62D35/00; B62D35/001
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
113 words
An air deflector for application to the rear corners of a vehicle such as a transport trailer, bus, van or the like comprising elongated inner and outer plates and deflector ribs interconnecting and spacing said inner and outer plates apart; said inner plate being shaped to generally conform to the contour of a rear corner of said vehicle and said outer plate having a curved portion to direct air rearwardly and inwardly of said vehicle corner; and means on the inner plate of the deflector for releasably securing the deflector on the rear corner of a vehicle with the inner plate in face-to-face contact with at least one surface of the vehicle corner.
Claim 2
Dependent Claim
113 words
An air deflector for application to the rear corners of a vehicle such as a transport trailer, bus, van or the like comprising elongated inner and outer plates and deflector ribs interconnecting and spacing said inner and outer plates apart; said inner plate being shaped to generally conform to the contour of a rear corner of said vehicle and said outer plate having a curved portion to direct air rearwardly and inwardly of said vehicle corner; and means on the inner plate of the deflector for releasably securing the deflector on the rear corner of a vehicle with the inner plate in face-to-face contact with at least one surface of the vehicle corner.
Claim 3
Dependent Claim
28 words
An air deflector according to claim 1 wherein the connecting ribs divide the deflector into a plurality of cells, said deflector being formed in a one-piece, integral construction.
Claim 4
Dependent Claim
28 words
An air deflector according to claim 1 formed of modular units each including an inner plate member, an outer plate member and at least one spacing rib member.
Claim 5
Dependent Claim
45 words
An air deflector according to claim 1 wherein said securing means comprises elongated apertures in one surface of the inner plate of said deflector, said apertures being adapted to cooperate with bolt heads on the juxtaposed vehicle surface to provide a vertical slip-on, slip-off arrangement.
References Cited (Backward Citations)
CA625920A
Cited
CA630338A
Cited
US3072434A
Cited
US3010754A
Cited
US3214215A
Cited
US3276811A
Cited
US3807787A
Cited
US3743343A
Cited
US3999797A
Cited
US3934922A
Cited
US3960402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-03-22 | 1985-09-21 | 1986-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-03-22 | 1989-09-21 | 1990-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-03-22 | 1993-09-21 | 1994-03-23 | $7700.00 | Window Closed / Lapsed |