Patent US4592209A successfully refreshed from Google Patents.
US4592209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display counter for food products, refrigerated by forced ventilation
Assignee: Costan SpA
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Filing: 1985-05-21
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Granted: 1986-06-03
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Expires: 2005-05-21
Abstract
Abstract A refrigerated display counter has an interspace between an insulated tub-shaped cabinet and an inner tank forming a display surface. A cold air distribution duct provides for cold air flow over the display surface. An opening is provided in the cold air distribution duct, below the display surface level and deflector means are mounted in proximity to the opening for deflecting part of the cold air flow into the interspace.
Inventors
- 👤 Giuseppe Casanova
- 👤 Ivano De Zolt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:35
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0404; A47F3/0408; A47F3/0413
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
111 words
A refrigerated display counter comprising a tank, an inner tank, with a floor defining a display surface, disposed within the said tank, an interspace between the tank and the said floor, a cold air distribution duct connected to a refrigeration unit and opening into the said inner tank onto the said display surface, characterised in that it includes an opening in the said cold air distribution duct in fluid communication with the said interspace, and deflector members in the said duct, disposed in proximity to the said opening, said floor being rotatably supported along one of its sides and being adjustably positionable along an opposite side within the said inner tank.
Claim 2
Dependent Claim
111 words
A refrigerated display counter comprising a tank, an inner tank, with a floor defining a display surface, disposed within the said tank, an interspace between the tank and the said floor, a cold air distribution duct connected to a refrigeration unit and opening into the said inner tank onto the said display surface, characterised in that it includes an opening in the said cold air distribution duct in fluid communication with the said interspace, and deflector members in the said duct, disposed in proximity to the said opening, said floor being rotatably supported along one of its sides and being adjustably positionable along an opposite side within the said inner tank.
Claim 3
Dependent Claim
28 words
A display counter according to claim 1, characterised in that it includes, in the said duct, means for varying the delivery of cold air through the said opening.
Claim 4
Dependent Claim
34 words
A display counter according to claim 1, characterised in that the said floor delimits the said distribution duct, and in which holes are made for the distribution of cold air onto the display surface.
Claim 5
Dependent Claim
160 words
A refrigerated display counter comprising: a tank having a display side; an inner tank including a display floor defining a display portion thereabove, disposed within said tank; an interspace between the tank and the display floor; a cold air distribution duct connected to a refrigeration unit and opening into the display portion of the inner tank, the duct having a plurality of openings therein in fluid communication with the interspace and the display portion, and deflector members within said duct disposed in proximity to the openings in communication with the interspace for regulating the flow of cold air thereto, and wherein said floor is rotatably supported along one of its sides adjacent the display side and being angularly adjustably positionable along an opposite side thereof within said inner tank in correspondence with the duct in which the openings are formed, for the distribution of cold air into the display portion in accordance with the angular position of said display floor.
Claim 6
Dependent Claim
160 words
A refrigerated display counter comprising: a tank having a display side; an inner tank including a display floor defining a display portion thereabove, disposed within said tank; an interspace between the tank and the display floor; a cold air distribution duct connected to a refrigeration unit and opening into the display portion of the inner tank, the duct having a plurality of openings therein in fluid communication with the interspace and the display portion, and deflector members within said duct disposed in proximity to the openings in communication with the interspace for regulating the flow of cold air thereto, and wherein said floor is rotatably supported along one of its sides adjacent the display side and being angularly adjustably positionable along an opposite side thereof within said inner tank in correspondence with the duct in which the openings are formed, for the distribution of cold air into the display portion in accordance with the angular position of said display floor.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-02 | 1989-12-02 | 1990-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-02 | 1993-12-02 | 1994-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-02 | 1997-12-02 | 1998-06-03 | $7700.00 | Window Closed / Lapsed |