Road mat

Road structure – process – or apparatus – Pavement – Modules or blocks

Reexamination Certificate

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Details

C404S034000, C404S035000, C404S041000

Reexamination Certificate

active

11331308

ABSTRACT:
A road mat having a mat body with a first coupling end and a second coupling end. A first locking mechanism is provided at the first coupling end that includes a male coupling member and a female coupling member. A second locking mechanism is provided at the second coupling end that includes a male coupling member and a female coupling member. In one preferred embodiment of the present invention the first locking mechanism is a reciprocating mirror image of the second locking mechanism. The road mat of the present invention may be used in a road mat system that includes at least one prior road mat and at least one successive road mat. The second locking mechanism of the prior road mat is suitable for interlocking with the first locking mechanism of the successive road mat.

REFERENCES:
patent: RE18188 (1931-09-01), Benedict et al.
patent: 2038605 (1936-04-01), Robertson
patent: 2311286 (1943-02-01), Tufts
patent: 2321067 (1943-06-01), DeWitt
patent: 2716373 (1955-06-01), Scrivner et al.
patent: 2740167 (1956-04-01), Rowley
patent: 3202067 (1965-08-01), Michard et al.
patent: 3301147 (1967-01-01), Clayton et al.
patent: 3397496 (1968-08-01), Sohns
patent: 3450010 (1969-06-01), Harvey
patent: 3564801 (1971-02-01), Huerta
patent: 3602110 (1971-08-01), Wiggins
patent: 3859000 (1975-01-01), Webster
patent: 4286410 (1981-09-01), Hahn
patent: 5050362 (1991-09-01), Tal et al.
patent: D332148 (1992-12-01), Tal et al.
patent: 5234204 (1993-08-01), Hunt
patent: 5357727 (1994-10-01), Duckworth et al.
patent: 5862983 (1999-01-01), Andrus et al.
patent: 5924152 (1999-07-01), Maier
patent: 5971655 (1999-10-01), Shirakawa
patent: 6652183 (2003-11-01), Stasiewich et al.
patent: 6733206 (2004-05-01), Stasiewich et al.
patent: 2002/0176744 (2002-11-01), Stasiewich et al.
patent: 2002/0176745 (2002-11-01), Stasiewich et al.
patent: 2348328 (2002-02-01), None
patent: 2364968 (2003-06-01), None

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