Covered Plastic Lock
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Sep 27, 2007
app pub date -
May 12, 2005
filing date -
May 13, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to a cover for a surface drainage device or similar hollow body that is to be embedded in the ground and to be opened. The cover comprises an upper surface over which pedestrian and/or vehicular traffic can pass, and at least one locking element that is attached to an underside of the cover such that the upper side is closed over the locking element. The locking element is disposed at a specified distance from the underside in such a way as to form an air gap for thermal insulation between the underside and the locking element.
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