PTO
Wrapper
PDF
Dossier
Espace
Google
Patent
D835369
Priority
Apr 30 2015
Filed
Oct 27 2015
Issued
Dec 04 2018
Expiry
Dec 04 2033
Assg.orig
Entity
unknown
9
25
n/a
The ornamental design for a pneumatic dust extraction unit , as shown and described.
FIG. 1 is a perspective view of a pneumatic dust extraction unit embodying the new design;
FIG. 2 is a front view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The left side view is a mirror image of the right side view and is therefore not shown. The broken lines showing portions of the pneumatic dust extraction unit form no part of the claimed design.
Bhattacharya, Dhritisunder , Thakur, Raju B. , Machama, Naveen
Patent
Priority
Assignee
Title
10478866 ,
Feb 19 2008
Veltek Associates, Inc.
Autoclavable bucketless cleaning system
11285518 ,
Feb 19 2008
Veltek Associates, Inc.
Pressurized cleaning system
D854762 ,
Feb 19 2008
VELTEK ASSOCIATES, INC
Cleaning system
D919207 ,
Aug 23 2018
ALFRED KAERCHER SE & CO KG
Cleaning machine
D919208 ,
Jul 26 2019
KÄRCHER NORTH AMERICA, INC
Portable cleaning device
D958476 ,
Feb 18 2020
FNA Group, INC.
Pressure washer
D965927 ,
May 01 2018
SPECTRUM INDUSTRIAL PRODUCTS
Mopping machine
D965928 ,
May 01 2018
SPECTRUM INDUSTRIAL PRODUCTS
Mopping machine
ER1327 ,
Patent
Priority
Assignee
Title
4247310 ,
Dec 28 1977
GEBRUEDER BUEHLER AG,
Pneumatic dust extraction
4787827 ,
Apr 06 1987
General Enterprises, Inc.
Portable lubricating apparatus
5317783 ,
Sep 25 1992
Haybuster Manufacturing Inc.
Vacuum trailer
D314257 ,
May 06 1988
Hoover & Wells, Inc.
Surface cleaning vehicle
D352808 ,
Aug 17 1992
Portable flood control vacuum cleaning machine
D374749 ,
Apr 28 1993
Vector Technologies Ltd.
Industrial vacuum cleaner
D499946 ,
Mar 28 2003
Black & Decker, Inc
Dust extractor
D548315 ,
Oct 12 2006
WELL ELECTRONICS CO., LTD.
Air cleaner
D579611 ,
Mar 14 2007
Freshbins UK Limited
Cleaning machine
D601687 ,
Feb 25 2009
GRACE CREATION INVESTMENT LIMITED
Air cleaner
D618328 ,
Jan 20 2010
C C & L COMPANY LIMITED
Air cleaner
D674474 ,
Feb 13 2012
Rentschler Reven GmbH
Air cleaner
D687195 ,
Aug 27 2010
Black & Decker Inc
Dust extractor
D705919 ,
Jan 22 2013
SAMSUNG ELECTRONICS CO , LTD
Air cleaner
D736902 ,
Feb 14 2013
SAMSUNG ELECTRONICS CO , LTD
Air cleaner
D745129 ,
Aug 08 2013
Amano Corporation
Industrial air cleaner
D755359 ,
Nov 27 2014
Rentschler Reven GmbH
Air cleaner
D797915 ,
Apr 22 2015
Lasko Operation Holdings, LLC
Body for a portable air cleaner
D800784 ,
Aug 22 2016
HARLEY-DAVIDSON MOTOR COMPANY, INC
Engine air cleaner
D805622 ,
Aug 21 2015
H AND COMPANY INC.
Portable air cleaner
D810905 ,
Dec 11 2015
WINIX INC.
Air cleaner
D810906 ,
Dec 02 2015
WINIX INC.
Air cleaner
D810907 ,
Dec 02 2015
WINIX INC.
Air cleaner
D813474 ,
Oct 26 2015
Katch Kan Holdings Ltd.
Washing apparatus
WO2015031429 ,
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a