Ski apparatus for transporting cargo

Land vehicles – Convertible – Wheel to or from runner

Reexamination Certificate

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Details

C280S013000, C280S028120

Reexamination Certificate

active

06981705

ABSTRACT:
An apparatus for transporting cargo over snowy and icy surfaces includes a plurality of elongate ski members and a plurality of clamping members connected to the respective top surfaces of the plurality of ski members. The plurality of clamping members are movable between forward and rearward positions for receiving a bottom portion of a cargo and maintaining same in a substantially stable position during transportation. The plurality of clamping members include a plurality of support members extending upwardly from the respective top surfaces of the plurality of ski members and each have an elongate slot formed therethrough for allowing the plurality of clamping members to move between forward and rearward positions when a cargo is tilted forwardly and rearwardly, respectively.

REFERENCES:
patent: 970874 (1910-09-01), Beffel
patent: 1024792 (1912-04-01), Leith
patent: 1068120 (1913-07-01), Fransson
patent: 2081024 (1937-05-01), Turner
patent: 2314293 (1943-03-01), Tyndall
patent: 2316456 (1943-04-01), Robes, Jr.
patent: 2352966 (1944-07-01), Morando
patent: 2367271 (1945-01-01), Habostad
patent: 2443699 (1948-06-01), Swain
patent: 2523950 (1950-09-01), Golubics
patent: 2530240 (1950-11-01), Graham
patent: 4251085 (1981-02-01), Lageer et al.
patent: 5340153 (1994-08-01), Parker
patent: 5407217 (1995-04-01), Lambert et al.
patent: 5427390 (1995-06-01), Duncan et al.
patent: 5588569 (1996-12-01), Mitomi et al.
patent: 6708989 (2004-03-01), Braun

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