E - Fixed Constructions – 01 – C
Patent
E - Fixed Constructions
01
C
94/2
E01C 9/08 (2006.01)
Patent
CA 1286530
A B S T R A C T IMPROVED DUCKBOARD A duckboard comprising a succession of treads ( 11 ) linked so as to rest, in use, in generally parallel non-co-axial cor- responding-end-alignment along the ground or other . surface on which the board is placed: and characterized by the features, firstly that the board is flexible enough to be rolled end- to-end; secondly, that it is light enough to be relatively por- table; and thirdly, that the means (12) linking the treads (11) are resilient enough and/or rigid enough to tend to maintain the parallelism and the end-alignment of the treads (11) in use .
563841
Rope Christopher Charles
Rope Pamela Anita
Mckay-Carey & Company
Rope Christopher Charles
Rope Pamela Anita
LandOfFree
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