Patent US3089676A successfully refreshed from Google Patents.
Patent US3636893A successfully refreshed from Google Patents.
US3636893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free-standing household shelf arrangement
Assignee: Karl Kubel GmbH
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Filing: 1970-03-30
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Granted: 1972-01-25
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Expires: 1990-03-30
Abstract
Abstract A free-standing household shelf arrangement which includes a plurality of supporting columns arranged vertically and in horizontally spaced relationship to each other each of which comprises hollow individual supports having their ends provided with closure caps while each two adjacent closure caps have interposed therewith shelf means which are connected to the supports by connecting members invisible from the outside.
Inventors
- 👤 Joachim Lange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:32
CPC Classifications
A; A47; A47B; A47B47/00; A47B47/0091; A47B87/00; A47B87/007; A47B87/008; A47B87/02; A47B87/0207; A47B87/0223; A47B2087/023
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
185 words
In a free-standing household shelf arrangement which includes a plurality of supporting columns arranged vertically and in horizontally spaced relationship to each other, each of the supporting columns including at least two vertically superimposed individual supports to which shelf means are secured respectively and which at connecting locations are stressed by screw bolt means between individual supporting columns and at oppositely located ends thereof are hollow, the improvement therewith which comprises: closure cap means for the hollow ends and at least one of said closure cap means having a threaded portion complementary to the screw bolt means, a head portion of said screw bolt means being externally accessible and engageable against closure cap means at joined supporting columns, means forming a threadless through bore for the screw bolt means in said shelf means, a potformed annular portion of each closure cap means being concentric about axis of screw bolt means and being engageable against the shelf means, and a face portion of said closure cap means located exclusively at approximately right angle to said screw bolt means and axis thereof with respect to support axis.
Claim 2
Dependent Claim
185 words
In a free-standing household shelf arrangement which includes a plurality of supporting columns arranged vertically and in horizontally spaced relationship to each other, each of the supporting columns including at least two vertically superimposed individual supports to which shelf means are secured respectively and which at connecting locations are stressed by screw bolt means between individual supporting columns and at oppositely located ends thereof are hollow, the improvement therewith which comprises: closure cap means for the hollow ends and at least one of said closure cap means having a threaded portion complementary to the screw bolt means, a head portion of said screw bolt means being externally accessible and engageable against closure cap means at joined supporting columns, means forming a threadless through bore for the screw bolt means in said shelf means, a potformed annular portion of each closure cap means being concentric about axis of screw bolt means and being engageable against the shelf means, and a face portion of said closure cap means located exclusively at approximately right angle to said screw bolt means and axis thereof with respect to support axis.
Claim 3
Dependent Claim
37 words
In a shelf arrangement according to claim 1, in which widths over flats of hexagonal nut means of said screw bolt means are smaller than shank diameter thereof and each support is formed by a hollow tube.
Claim 4
Dependent Claim
38 words
In a shelf arrangement according to claim 1, in which cutout-forming means are provided by said shelf means preferably in complementary fitting relationship with ends of supports and in location-assuring engagement with edges of said closure cap means.
Claim 5
Dependent Claim
28 words
In a shelf arrangement according to claim 1, in which said pot-formed annular portion of each closure cap means peripherally engages inside surface of ends of individual supports.
Claim 6
Dependent Claim
28 words
In a shelf arrangement according to claim 1, in which said closure cap means and individual supports are interconnected by spot welding, brazing, hard soldering and the like.
Claim 7
Dependent Claim
54 words
In a shelf arrangement according to claim 1, in which insertable wall portions are provided between shelf means arranged in stacked relation, bore-forming means located in said shelf means, and resilient studs that snap into fitting relationship with said bore-forming means located in said shelf means and into engagement with said insertable wall portions.
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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |