Excavating – Snow or ice removing or grooming by portable device – Vehicle mount with obstacle responsive trip – or yieldable tool
Reexamination Certificate
2007-02-26
2010-06-01
Hartmann, Gary S (Department: 3671)
Excavating
Snow or ice removing or grooming by portable device
Vehicle mount with obstacle responsive trip, or yieldable tool
C037S266000, C015S245000
Reexamination Certificate
active
07726049
ABSTRACT:
A squeegee blade includes a mounting plate with a surface. A relatively rigid support member is attached to the surface of the mounting plate and a relatively flexible blade is attached to the surface of the mounting plate adjacent to the support member so that the blade is supported by the support member against compression toward the mounting plate.
REFERENCES:
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patent: 5452929 (1995-09-01), Anderson
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patent: 5611157 (1997-03-01), Ferreira
patent: 5741112 (1998-04-01), Lakin et al.
patent: 6612050 (2003-09-01), Takeuchi
patent: 6922924 (2005-08-01), Jones et al.
patent: 7107709 (2006-09-01), Hamel
patent: 7198687 (2007-04-01), Hill et al.
Birdsong Duane S.
Hill, III Giles A.
Hartmann Gary S
Hill, III Giles A.
Montgomery John W.
Osha • Liang LLP
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