Vacuum exhaust filter
United States Patent D845457

King Jr., Jack M. (Phoenix, AZ, US)
Application Number:
Publication Date:
Filing Date:
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
D23/209, D23/235, D23/341, D23/358, D23/363-365, D15/5, D32/21-25, D32/31, D32/32
View Patent Images:
US Patent References:
D758558Air filtration device2016-06-07McPhilliamyD23/364
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8161597Shop vacuum cleaner with cyclonic separator2012-04-24Witter
D640022Portable canister vacuum2011-06-14PatersonD32/21
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D630392Dust collector2011-01-04LinD32/21
7615090Compact central vacuum unit2009-11-10Archambault15/353
7550021Portable cyclonic dust collection system2009-06-23Witter
D572420Vacuum cleaner housing2008-07-01GenoaD32/21
D533694Dust collector2006-12-12ChengD32/21
7044991Dust-collecting structure of a dust-collecting device2006-05-16Wang55/356
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6325844Filter and muffler device for vacuum mechanism2001-12-04Mead
D445226Canister type portable vacuum cleaner2001-07-17JuppD32/21
6113663Vacuum cleaner having a dual filter assembly2000-09-05Liu
D406419Trash can mounted vacuum recovery system for loose-fill packaging materialMarch, 1999ShadeD32/21
5690713Filter and accessory mount for upright vacuum cleaner exhaust port1997-11-25Bowerman
D382679Vacuum cleanerAugust, 1997DysonD32/21
D351695Chimney vacuum cleanerOctober, 1994MartinezD32/23
5301388Critically safe vacuum pickup for use in wet or dry cleanup of radioactive materials1994-04-12Zeren
D329081Mobile electrostatic air filter for use in welding projectsSeptember, 1992JonassonD23/209
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4726825Disposable HEPA filtration device1988-02-23Natale
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3120432Dust collector and support for the bag thereof1964-02-04Aldrich
3006020Suction cleaning machines1961-10-31Fillery15/323

Other References:
A Psimple Psaltery, Making a Carbon Filter ShopVac Extention, Last Accessed: Jul. 19, 2017, http://www.apsimplepsaltery.com/tips-and-tools/making-a-carbon-filter-shopvac-extension/.
Tornado, Jumbo Electric Series, Last Accessed: Jul. 19, 2017, https://tornadovac.com/store/product.aspx?pid=29.
Oneida Air Systems, The Dust Deputy, Last Accessed: Jul. 19, 2017, https://www.amazon.com/Oneida-Air-Systems-AXD000004A-Deputy/dp/B002GZLCHM/ref=cm_cr_arp_d_pdt_img_top?ie=UTF8.
Rockler, Rockler Dust Right Wall Mount Dust Collector with Canister Filter, Last Accessed Jul. 19, 2017, http://www.rockler.com/rockler-dust-right-wall-mount-dust-collector-with-canister-filter.
Oneida Air Systems, 1.5HP Mini Gorilla Portable Cyclone Dust Collector, Last Accessed Jul. 19, 2017, https://www.oneida-air.com/inventoryD.asp?item_no=XXPM010100H&CatId={B75F8739-54DE-47CA-A8FE-4FE9AEFDCC1C}.
Primary Examiner:
Rosati, Brandon M.
Assistant Examiner:
Voytek, John A.
Attorney, Agent or Firm:
Lisa Foundation Patent Law Clinic at Arizona State University

1. The ornamental design for a vacuum exhaust filter, as shown and described.


FIG. 1 is a front perspective view of a vacuum exhaust filter;

FIG. 2 is a right side perspective view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines are included for the purposes of illustrating environmental features and form no part of the claimed design.