US4042288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruded plastic panel drawers
Assignee: LB Plastics Ltd
•
Filing: 1975-05-19
•
Granted: 1977-08-16
•
Expires: 1995-05-19
Abstract
Abstract A drawer construction in which at least the sides and back are formed from identical hollow extruded plastics panels each provided with a longitudinal recess in the face thereof which will be innermost in use in order to accommodate a drawer bottom, and the panels being interconnected at right angles to one another by corner pieces engaged in the open ends of the panels. Detent means are preferably provided to retain the corner pieces securely in engagement with the open ends of the panels.
Inventors
- 👤 Leon G. Litchfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:08
CPC Classifications
A; A47; A47B; A47B88/00; A47B88/90; A47B88/941; A47B2088/902
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
187 words
A drawer construction in which at least the sides and back are formed from extruded plastics panels of identical section, the section of each panel being uniform throughout its length, each panel comprising a vertical sheet, said vertical sheets forming the inner walls of the drawer, intersecting at the corners of the drawer, and having a groove to receive a drawer bottom, each vertical sheet having a pair of hollow sections of rectangular cross-section formed on its outer side and defining a channel therebetween, which are identical except for the groove in the inner face of the lower section, the back of which channel is defined by the portion of the outer surface of said sheet disposed between said box-like sections and the panels being interconnected at each corner by identical upper and lower corner pieces engaged in the open ends of the respective upper and lower box-like sections, means to retain the corner pieces securely in engagement with said open ends, and a front panel connected to the drawer sides by connecting members secured to the front panel and adapted to engage within the side panels.
Claim 2
Dependent Claim
187 words
A drawer construction in which at least the sides and back are formed from extruded plastics panels of identical section, the section of each panel being uniform throughout its length, each panel comprising a vertical sheet, said vertical sheets forming the inner walls of the drawer, intersecting at the corners of the drawer, and having a groove to receive a drawer bottom, each vertical sheet having a pair of hollow sections of rectangular cross-section formed on its outer side and defining a channel therebetween, which are identical except for the groove in the inner face of the lower section, the back of which channel is defined by the portion of the outer surface of said sheet disposed between said box-like sections and the panels being interconnected at each corner by identical upper and lower corner pieces engaged in the open ends of the respective upper and lower box-like sections, means to retain the corner pieces securely in engagement with said open ends, and a front panel connected to the drawer sides by connecting members secured to the front panel and adapted to engage within the side panels.
Claim 3
Dependent Claim
76 words
A drawer construction according to claim 1 wherein each panel is provided with apertures in one face thereof adjacent its opposite ends, the portions of the corner pieces which locate in the open ends being provided with projecting detent members carried on flexible parts of the corner pieces so as to be depressed when the corner pieces are inserted and to spring out into engagement with the apertures when the corner pieces are pushed fully home.
Claim 4
Dependent Claim
24 words
A drawer construction according to claim 1 wherein the sides and back only of the drawer are formed from extruded panels of identical section.
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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) | 1980-08-15 | 1981-02-14 | 1981-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-15 | 1985-02-14 | 1985-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-15 | 1989-02-14 | 1989-08-16 | $7700.00 | Window Closed / Lapsed |