Mat base plate
US4479280A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1980 |
| Grant date | Oct 30, 1984 |
| Priority date | — |
| Expiry date | Dec 1, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24777
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A mat base plate for use with a shrinkable mat is shown including an upstanding rim extending around a floor of the mat base plate. The rim has a plateau surface at the top thereof, an outer wall and a slope extending from said plateau, continuously to the bottom of the mat-receiving basin that is constituted by the rim and floor of the mat base plate. In the fourth embodiment, the rim is semi-cylindrical or at least convexly arcuate in cross-sectional shape, and has a rough surface having the appearance of a plurality of wave-like convexes and concaves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.