Convective motion lampshade
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United States of America Patent
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Apr 2, 2019
Grant Date -
May 4, 2017
app pub date -
Dec 19, 2016
filing date -
Oct 9, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus that is part of a lampshade comprises a first film, a second film and a border seal forming a closed chamber that is laminar in shape and hermetically sealed. A fluid is disposed for fluid motion in the closed chamber.
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International Classification(s)
- F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....
- F21W:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L,....
- E06B:FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDING....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- A41D:OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- G02F:DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF ....
- F21S:NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF
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