Land vehicles – Skates – Runner type
Patent
1977-12-09
1979-11-27
Mitchell, David M.
Land vehicles
Skates
Runner type
A63C 512
Patent
active
041757670
ABSTRACT:
A ski structure has a top chord, a bottom chord, at least one intermediate chord, and core material between the chords. The core material is so shaped or arranged that the or each intermediate chord is at a constant distance from the top chord at the top portion and remote rear end of the ski, and is at a constant distance from the bottom chord in the middle region of the ski.
REFERENCES:
patent: 2184791 (1939-12-01), Broome
patent: 2356809 (1944-08-01), Andreef
patent: 3329437 (1967-07-01), Holmberg et al.
patent: 3947049 (1976-03-01), Pedersen
Mitchell David M.
Smith Milton L.
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