05295341 is referenced by 362 patents and cites 20 patents.

A flooring system having a base member having a top side, an underside, and four circumferentially spaced outer edges, a tongue connector secured to one outer edge by an interlocking rib and groove, a groove connector secured to another outer edge by an interlocking rib and groove, the tongue connector having forwardly converging compressible sidewalls terminating in rear transverse locking surfaces, the groove connector having an enlarged inner opening and a smaller outer opening, the tongue sidewalls in a compressed position being smaller than said groove outer opening to pass through the outer opening but elastically expandable to be larger than said outer opening to lock a tongue in a groove.

Title
Snap-together flooring system
Application Number
7/911986
Publication Number
5295341
Application Date
July 10, 1992
Publication Date
March 22, 1994
Inventor
Matsuji Kajiwara
Bellevue
WA, US
Agent
Seed and Berry
Assignee
Nikken Seattle
WA, US
IPC
E04C 1/30
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