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Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 10, 2002
Grant Date -
N/A
app pub date -
Sep 8, 2000
filing date -
Sep 8, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a panel ceiling, a grid that supports panels has main beams and cross beams. In assembly, the main beams are directly attached to an overhead structure and the cross beams and panels are assembled onto the main beams. Stepped slots in the main beams enable the cross beams to be locked to the main beams to keep the cross beams and panels aligned.
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Family
International Classification(s)
Cited Art Landscape
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