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1. (WO2017035187) UNPOWERED WINDOW AIR FILTER APPARATUS

Pub. No.:    WO/2017/035187    International Application No.:    PCT/US2016/048311
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Thu Aug 25 01:59:59 CEST 2016
IPC: B01D 46/10
E06B 7/02
E06B 7/03
E06B 7/10
E06B 9/26
Applicants: 3M INNOVATIVE PROPERTIES COMPANY
Inventors: ZHANG, Zhiqun
PRINCE, David J.
PILGRIM, John M.
LUCHT, Steven G.
LAGESON, Kent E.
GREGERSON, Glen O.
Title: UNPOWERED WINDOW AIR FILTER APPARATUS
Abstract:
An unpowered window air filter apparatus that includes a first, base unit and a second, movable unit.