US3823523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceilings for buildings
Assignee: S. Alderson Co Ltd
•
Filing: 1972-12-11
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Granted: 1974-07-16
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Expires: 1992-12-11
Abstract
Abstract A ceiling installation for a building comprises an assembly of uprights, which do not form an inherent part of the building structure, beams or girders carried by said uprights and a ceiling supported by said beams or girders. Conveniently the ceiling is suspended from the beams or girders. The uprights may also support wall lining panels and/or partitions for the building. The invention is particularly applicable to false ceilings for shops and offices.
Inventors
- 👤 A Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:00
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/18
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
167 words
An independent and self-supporting architectural interior for a building comprising first and second laterally spaced rows of uprights, H-shaped frames the lower ends of the legs of which are connected to the upper ends of neighbouring uprights of said rows of uprights, continuous horizontal members connected to the upper ends of said legs of said H-shaped frames of each row of uprights, a plurality of girders spanning the space between the rows of uprights, means connecting one end of a lower member and an adjacent end of an upper member of each of said girders to a cross-member of one of said H-shaped frames and to the horizontal member respectively of one row of uprights, means connecting the other ends of said lower and upper members of said girders to cross-members of opposite H-shaped frames and to the horizontal member of the other row of girders respectively, a framework for supporting ceiling panels, means suspending said framework from said girders and ceiling panels supported in said framework.
Claim 2
Dependent Claim
167 words
An independent and self-supporting architectural interior for a building comprising first and second laterally spaced rows of uprights, H-shaped frames the lower ends of the legs of which are connected to the upper ends of neighbouring uprights of said rows of uprights, continuous horizontal members connected to the upper ends of said legs of said H-shaped frames of each row of uprights, a plurality of girders spanning the space between the rows of uprights, means connecting one end of a lower member and an adjacent end of an upper member of each of said girders to a cross-member of one of said H-shaped frames and to the horizontal member respectively of one row of uprights, means connecting the other ends of said lower and upper members of said girders to cross-members of opposite H-shaped frames and to the horizontal member of the other row of girders respectively, a framework for supporting ceiling panels, means suspending said framework from said girders and ceiling panels supported in said framework.
Claim 3
Dependent Claim
18 words
An architectural interior as claimed in claim 1 wherein wall panels are supported by and between the uprights.
Claim 4
Dependent Claim
49 words
An architectural interior as claimed in claim 1 wherein the uprights have sockets at their upper parts to receive the legs of the H-shaped frames and are slotted at spaced intervals along their length and keys are inserted in said slots to secure the legs of the H-shaped frames.
Claim 5
Dependent Claim
39 words
An architectural interior as claimed in claim 1 wherein the ceiling-panel supporting framework is suspended by hooks from the lower members of the girders and wire rope ties extend from the upper members of the girders to said framework.
Claim 6
Dependent Claim
21 words
An architectural interior as claimed in claim 4 wherein means is provided in said wire rope ties for the tensioning thereof.
Claim 7
Dependent Claim
35 words
An architectural interior as claimed in claim 1 wherein the ends of the lower and upper members of the girders mate spigot-and-socket fashion with the means connecting them to the H-shaped frames and horizontal members.
Claim 8
Dependent Claim
35 words
An architectural interior as claimed in claim 1 wherein the means connecting the lower and upper members of the girders to the H-shaped frames and horizontal members are slidable horizontally on said frames and members.
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) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |