Patent US4753496A successfully refreshed from Google Patents.
US4753496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cabinet with built-in fan
Assignee: Individual
•
Filing: 1987-08-31
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Granted: 1988-06-28
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Expires: 2007-08-31
Abstract
Abstract An enclosed area, such as a cabinet, having a section for items and also a separate section containing an air circulating system contained within the cabinet.
Inventors
- 👤 Janice W. Bussard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:55
CPC Classifications
F; F24; F24F; F24F7/00; F24F7/04; F24F7/06; F24F7/065
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
148 words
A cabinet assembly, comprising, in combination, an upright cabinet containing a plurality of compartments located adjacent each other and arranged in a zig-zag fashion between a top and bottom of said cabinet, a door at a front of each said compartment for access thereinto, a rear wall on said cabinet closing a rear of said compartments, an air duct inside said cabinet extending through said top and bottom thereof, said duct being zig-zagged in shape so to extend through said compartments, said duct being flat and thin and resting against said rear wall, a storage space inside each said compartment between said door and said duct; an air fan at one end of said duct, an opposite end of said duct being left open, and a plurality of manually closable vent openings along said duct providing selective communication between an interior of said duct and each said compartment.
Claim 2
Dependent Claim
148 words
A cabinet assembly, comprising, in combination, an upright cabinet containing a plurality of compartments located adjacent each other and arranged in a zig-zag fashion between a top and bottom of said cabinet, a door at a front of each said compartment for access thereinto, a rear wall on said cabinet closing a rear of said compartments, an air duct inside said cabinet extending through said top and bottom thereof, said duct being zig-zagged in shape so to extend through said compartments, said duct being flat and thin and resting against said rear wall, a storage space inside each said compartment between said door and said duct; an air fan at one end of said duct, an opposite end of said duct being left open, and a plurality of manually closable vent openings along said duct providing selective communication between an interior of said duct and each said compartment.
Claim 3
Dependent Claim
24 words
The combination as set forth in claim 1, wherein said fan is mounted in a storage space below a bottom wall of said cabinet.
Claim 4
Dependent Claim
18 words
The combination as set forth in claim 1 wherein said fan is at a top of said cabinet.
Claim 5
Dependent Claim
31 words
The combination as set forth in claim 3, wherein said fan is mounted on top a top wall of said cabinet and is hidden from view by a raised, slitted enclosure.
References Cited (Backward Citations)
CA456753A
Cited
US2275772A
Cited
US2444887A
Cited
US2863302A
Cited
US3836220A
Cited
US3895215A
Cited
US4014598A
Cited
US4458501A
Cited
CH658170A5
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-06-28 | 1991-12-28 | 1992-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-28 | 1995-12-28 | 1996-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-28 | 1999-12-28 | 2000-06-28 | $7700.00 | Window Closed / Lapsed |