Patent · US Expired

Mat base plate

US4415620A · kind A · utility

24Cited by
6References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1980
Grant dateNov 15, 1983
Priority date
Expiry dateJun 6, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2457
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

The mat base plate which is intended for use as a substrate for a door mat includes an outer peripheral rim, a plurality of concentric annular steps from the outer peripheral rim inwardly and downwardly and a central well to provide an aesthetic appearance for the plate/plate combination even when a shrunken mat is placed on the plate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.