Excavating – Snow or ice removing or grooming by portable device – Scraper blade
Reexamination Certificate
2005-09-27
2005-09-27
Novosad, Christopher J. (Department: 3671)
Excavating
Snow or ice removing or grooming by portable device
Scraper blade
C037S271000, C037S903000, C037S907000, C172S004500, C172S779000, C701S050000
Reexamination Certificate
active
06948267
ABSTRACT:
An ice resurfacing machine laser control is used to optimize the ice layer on an artificial ice track, such as an ice hockey rink and is adapted for use in ice resurfacing machines. The thickness of an ice layer is optimized with a beam for a laser transmitter. The ice resurfacing machine comprises a laser receiver and mechanisms to regulate the elevation of the scraper blade.
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Burns Doane , Swecker, Mathis LLP
Kalannin Kaspek Oy
Novosad Christopher J.
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