US3740913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock groove tile
Assignee: Individual
•
Filing: 1971-07-27
•
Granted: 1973-06-26
•
Expires: 1991-07-27
Abstract
Abstract A lock groove tile of generally square outline having tongues on two adjacent sides and grooves on the other two adjacent sides for interlocking with adjacent tiles. A metal sheet is secured to the wall to be tiled and the sheet has edges adapted to cooperate with the respective tongues and grooves of the tiles to support the edges of the groups of tiles. In a modified form of the invention a metal strip is formed to interfit with a row of tiles and has a finished chrome strip covering the edges of the tiles.
Inventors
- 👤 J Musser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:15
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04F13/0832; E04F13/0833; E04F13/0846
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
A wall tile system comprising a large flat metal plate detachably secured to a wall, a molding strip integrally secured to one side edge and one bottom edge of said plate and extending perpendicularly outwardly of said plate with said molding strips having a tongue extending in a plane parallel to said plate and spaced outwardly from said plate, a third molding strip integrally formed on the opposite side edge of said plate and extending perpendicularly outwardly of said plate and having a groove formed therein, a plurality of tiles supported on said plate, each of said tiles having a tongue extending outwardly from adjacent meeeing edges and a groove formed in the opposite meeting edges with said grooves engaging the tongues in the molding edge of said plate or the tongues of adjacent tiles to completely interlock said tiles with each other and with said metal plate, a plurality of border tiles substantially smaller than the tiles secured to said plate secured to said wall above said plate, an elongate strip having a tongue on one side and a groove on the other engaged between a pair of tile rows and coextensive therewith and an elongate chrome decorative strip mounted coextensively on said first named strip for covering the juncture between said rows of tiles.
Claim 2
Dependent Claim
216 words
A wall tile system comprising a large flat metal plate detachably secured to a wall, a molding strip integrally secured to one side edge and one bottom edge of said plate and extending perpendicularly outwardly of said plate with said molding strips having a tongue extending in a plane parallel to said plate and spaced outwardly from said plate, a third molding strip integrally formed on the opposite side edge of said plate and extending perpendicularly outwardly of said plate and having a groove formed therein, a plurality of tiles supported on said plate, each of said tiles having a tongue extending outwardly from adjacent meeeing edges and a groove formed in the opposite meeting edges with said grooves engaging the tongues in the molding edge of said plate or the tongues of adjacent tiles to completely interlock said tiles with each other and with said metal plate, a plurality of border tiles substantially smaller than the tiles secured to said plate secured to said wall above said plate, an elongate strip having a tongue on one side and a groove on the other engaged between a pair of tile rows and coextensive therewith and an elongate chrome decorative strip mounted coextensively on said first named strip for covering the juncture between said rows of tiles.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |