Patent
   D654522
Priority
Jul 21 2011
Filed
Jul 21 2011
Issued
Feb 21 2012
Expiry
Feb 21 2026
Assg.orig
Entity
unknown
9
16
n/a
The ornamental design for a waste oil extraction machine, as shown.

FIG. 1 is a perspective view of the waste oil extraction machine showing the design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof; and,

FIG. 5 is a left side elevation view thereof.

Zhang, Shaoyu

Patent Priority Assignee Title
D670317, Feb 29 2012 Rear end oil reservoir
D670318, Jun 07 2012 Oil separator
D707737, May 24 2013 ALFA LAVAL CORPORATE AB Fuel oil separator
D707738, May 24 2013 ALFA LAVAL CORPORATE AB Fuel oil separator
D734795, Nov 21 2013 Aktiebolaget SKF Fluid drain device
D736290, Nov 21 2013 Aktiebolaget SKF Fluid drain device
D885440, Oct 16 2018 Jiashan Jinzhan Tool Co., Ltd. Manual fluid extractor
D952717, Jun 18 2019 Guangzhou Balance Machinery Co., Ltd.; GUANGZHOU BALANCE MACHINERY CO , LTD Liquid replacing device for vehicles
D972611, Aug 05 2020 JEN SIAN INDUSTRIAL CO., LTD. Pneumatic oil extractor
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May 24 2022ZHANG, SHAOYUGUANGZHOU BALANCE MACHINERY CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0600000931 pdf
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