Patent US4270325A successfully refreshed from Google Patents.
US4270325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for installing tiles
Assignee: Individual
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Filing: 1979-03-19
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Granted: 1981-06-02
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Expires: 1999-03-19
Abstract
Abstract A device for installing tiles on surfaces to be lined comprises a support, whereto a tile is to be attached by an adhesive, and provided with rabbet coupling elements effective to provide a rabbet coupling with the surface to be lined on which counter rabbet coupling means are anchored.
Inventors
- 👤 Luigi Mandelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:15
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04F13/088
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
108 words
A device for installing tiles on a surface to be lined, comprising a support having a front side on which a tile is attached with the interposition of adhesives and a rear side provided with coupling means, anchoring means mounted on the surface to be lined and co-operating with said coupling means for detachably holding said support with the tile attached thereon, wherein according to the improvement said coupling means comprises tubular projections in spaced apart relation and said anchoring means comprises cup-like elements embedded in the surface to be lined and having a flange wherefrom a pair of concentrical rings project, said rings defining an annular interspace.
Claim 2
Independent Claim
108 words
A device for installing tiles on a surface to be lined, comprising a support having a front side on which a tile is attached with the interposition of adhesives and a rear side provided with coupling means, anchoring means mounted on the surface to be lined and co-operating with said coupling means for detachably holding said support with the tile attached thereon, wherein according to the improvement said coupling means comprises tubular projections in spaced apart relation and said anchoring means comprises cup-like elements embedded in the surface to be lined and having a flange wherefrom a pair of concentrical rings project, said rings defining an annular interspace.
Claim 3
Dependent Claim
35 words
A device as defined by claim 1 in which said tubular projection engages said annular interspace and has an inner collar engaging a corresponding annular groove provided on the outer surface of the inner ring.
Claim 4
Dependent Claim
35 words
A device as defined by claim 1 in which said tubular projection engages said inner ring and has an outer collar engaging a corresponding annular groove provided on the inner side of the inner ring.
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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) | 1984-06-01 | 1984-12-01 | 1985-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-01 | 1988-12-01 | 1989-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-01 | 1992-12-01 | 1993-06-02 | $7700.00 | Window Closed / Lapsed |