Patent US3845864A successfully refreshed from Google Patents.
US3845864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display shelving
Assignee: Individual
•
Filing: 1973-07-05
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Granted: 1974-11-05
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Expires: 1993-07-05
Abstract
Abstract An improved display shelf molded from a synthetic plastic material incorporating longitudinal embedded reinforcing bars, slotted ends for the reception and concealing of mounting brackets and a specially contoured top and bottom surface for aesthetic and functional purposes.
Inventors
- 👤 W Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:03
CPC Classifications
A; A47; A47B; A47B96/00; A47B96/02; A47B96/021; G; G09; G09F; G09F3/00; G09F3/08; G09F3/18; G09F3/20; G09F3/201
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
93 words
A unitary molded display shelf formed from plastic material comprising: an elongated solid support member having a substantially flat top surface and a convex bottom surface forming relatively thin front and rear edges, each end of said member being provided with a flange integral with and extending laterally from said top surface and provided with a slot extending along its free edge laterally of the longitudinal axis of said member for receiving a supporting bracket therein, and a plurality of spaced reinforcing means embedded in said member and arranged to extend longitudinally thereof.
Claim 2
Dependent Claim
93 words
A unitary molded display shelf formed from plastic material comprising: an elongated solid support member having a substantially flat top surface and a convex bottom surface forming relatively thin front and rear edges, each end of said member being provided with a flange integral with and extending laterally from said top surface and provided with a slot extending along its free edge laterally of the longitudinal axis of said member for receiving a supporting bracket therein, and a plurality of spaced reinforcing means embedded in said member and arranged to extend longitudinally thereof.
Claim 3
Dependent Claim
41 words
The unitary molded display shelf set forth in claim 1 wherein: said flanges are of a predetermined width at the rear edge of said member and tapering toward the width of said thin front edge at the front of said shelf.
Claim 4
Dependent Claim
31 words
The unitary molded display shelf set forth in claim 1 wherein: said top surface is provided with a shallow concave configuration extending longitudinally thereof to aid in keeping displayed items thereon.
Claim 5
Dependent Claim
23 words
The unitary molded display shelf set forth in claim 1 wherein: said plurality of reinforcing means comprises at least some hollow tubular members.
Claim 6
Dependent Claim
20 words
The unitary molded display shelf set forth in claim 1 wherein: said plurality of reinforcing means comprise hollow metallic tubes.
Claim 7
Dependent Claim
28 words
The unitary molded display shelf set forth in claim 1 wherein: the outer skin of said member having a greater density than the inner portion of said member.
Claim 8
Dependent Claim
29 words
The unitary molded display shelf set forth in claim 6 wherein: said outer skin is of the same type of plastic material as the inner portion of said member.
Claim 9
Dependent Claim
29 words
The unitary molded display shelf set forth in claim 1 in further combination with: an electrical outlet mounted in an aperture in the top surface of said support member.
Claim 10
Dependent Claim
39 words
The unitary molded display shelf set forth in claim 1 in further combination with: apertures molded in the lower surface of support member for receiving support poles arranged to extend between the top surface of a juxtapositioned lower shelf.
Claim 11
Dependent Claim
23 words
The unitary molded display shelf set forth in claim 1 wherein: said reinforcing means are evenly spaced across the width of said member.
Claim 12
Dependent Claim
158 words
A unitary molded display shelf formed from a plastic material comprising: an elongated solid support member having a slightly concave top surface and a convex bottom surface forming relatively thin front and rear edges, each end of said member being provided with a flange integral with and extending laterally from said top surface and provided with a U-shaped slot extending along its free edge laterally of the longitudinal axis of said member for receiving and concealing a supporting bracket therein, and said flanges being of a predetermined width at the rear edge of said member and tapering toward the width of said thin front edge at the front of said shelf, a plurality of spaced reinforcing means embedded in said member and arranged to extend longitudinally thereof, said reinforcing means comprising hollow metallic tubes, the density of the outer skin of said member being of a greater density than the density of the inner portion of said member.
Claim 13
Dependent Claim
158 words
A unitary molded display shelf formed from a plastic material comprising: an elongated solid support member having a slightly concave top surface and a convex bottom surface forming relatively thin front and rear edges, each end of said member being provided with a flange integral with and extending laterally from said top surface and provided with a U-shaped slot extending along its free edge laterally of the longitudinal axis of said member for receiving and concealing a supporting bracket therein, and said flanges being of a predetermined width at the rear edge of said member and tapering toward the width of said thin front edge at the front of said shelf, a plurality of spaced reinforcing means embedded in said member and arranged to extend longitudinally thereof, said reinforcing means comprising hollow metallic tubes, the density of the outer skin of said member being of a greater density than the density of the inner portion of said member.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |