Patent US4811656A successfully refreshed from Google Patents.
US4811656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Livestock building ventilator
Assignee: Individual
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Filing: 1988-03-21
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Granted: 1989-03-14
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Expires: 2008-03-21
Abstract
Abstract A ventilating system for a livestock confinement barn in which the outside air is directed against a wall or against other streams of air to destroy direct drafts of air which might chill the enclosed livestock. NAME: Allen W. Meendering TITLE: Livestock Building Ventilator
Inventors
- 👤 Allan W. Meendering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:42
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/0047; A01K1/0058; A01K1/0064
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
111 words
A system for providing fresh air to confined livestock comprising a building having a ceiling above a livestock confinement area, said building having an exterior formed to provide an opening to allow ingress of outside air into said building at a location above said ceiling, at least one deflector means installed on said ceiling in communication with said opening whereby said air will pass through said deflector means, said deflector means including air directing means, said air directing means being in close proximity to a wall of said building, and including an extension adapted to direct the air in a substantially horizontal direction to impinge on said wall to create turbulence.
Claim 2
Independent Claim
111 words
A system for providing fresh air to confined livestock comprising a building having a ceiling above a livestock confinement area, said building having an exterior formed to provide an opening to allow ingress of outside air into said building at a location above said ceiling, at least one deflector means installed on said ceiling in communication with said opening whereby said air will pass through said deflector means, said deflector means including air directing means, said air directing means being in close proximity to a wall of said building, and including an extension adapted to direct the air in a substantially horizontal direction to impinge on said wall to create turbulence.
Claim 3
Dependent Claim
31 words
The system of claim 1 in which door means are hinged to said deflector along the top edge of door in position to close the air directing part of said deflector.
Claim 4
Dependent Claim
35 words
The system of claim 1 in which said extension includes an insulated sheet covering one surface of said extension and adapted to insulate the other surface of said extension from said air to avoid condensation.
Claim 5
Independent Claim
110 words
A system for providng fresh air to confined livestock comprising a building having a ceiling above a livestock confinement area, said building having an exterior formed to provide an opening to allow ingress of outside air into said building at a location above said ceiling, deflector means installed on said ceiling in communication with said opening whereby said air will pass through said deflector means, said deflector means being mounted in closely spaced pairs, each of said deflector means including air directing means having extensions adapted to direct the air from one member of said pairs to impinge on air from the other member of said pairs to create turbulence.
Claim 6
Independent Claim
110 words
A system for providng fresh air to confined livestock comprising a building having a ceiling above a livestock confinement area, said building having an exterior formed to provide an opening to allow ingress of outside air into said building at a location above said ceiling, deflector means installed on said ceiling in communication with said opening whereby said air will pass through said deflector means, said deflector means being mounted in closely spaced pairs, each of said deflector means including air directing means having extensions adapted to direct the air from one member of said pairs to impinge on air from the other member of said pairs to create turbulence.
References Cited (Backward Citations)
US1538645A
Cited
US2212468A
Cited
DE915386C
Cited
US3299798A
Cited
GB1226212A
Cited
US3694222A
Cited
US3706271A
Cited
US4334577A
Cited
US4671350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-03-13 | 1992-09-12 | 1993-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-13 | 1996-09-12 | 1997-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-13 | 2000-09-12 | 2001-03-14 | $7700.00 | Window Closed / Lapsed |