Patent
   D936802
Priority
Feb 17 2020
Filed
Feb 17 2020
Issued
Nov 23 2021
Expiry
Nov 23 2036
Assg.orig
Entity
unknown
0
14
n/a
The ornamental design for a joint pipe to duct connection, as shown and described.

FIG. 1 is a perspective view of the joint pipe to duct connection showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view.

Noh, Sung-Keun

Patent Priority Assignee Title
Patent Priority Assignee Title
2746114,
2907592,
4997209, Oct 26 1989 H-P Products, Inc.; H-P PRODUCTS, INC Universal adapter sleeve for central vacuum cleaning systems
6830065, Jan 11 2002 Broan-Nutone LLC Duct connector apparatus and method
234847,
D242616, Aug 31 1973 Ship propeller duct
D258526, Oct 21 1976 AB PH NEDERMAN & COMPANY, A CORP OF SWEDEN Connection fitting for tubular conduits
D446298, Sep 07 2000 SEMCO DUCT AND ACOUSTICAL PRODUCTS, INC Duct
D475449, Mar 20 2001 EASTERN SHEET METAL INC Duct tap with an indented end
D480132, Mar 20 2001 Air Distribution Technologies IP, LLC Reducer with an indented end
D488217, Mar 20 2001 Air Distribution Technologies IP, LLC Bell mouth with a crimped end
D846087, Sep 14 2017 Naber Holding GmbH & Co. KG Pipe fitting
D896351, Nov 08 2019 Air intake coupling hose
KR3020190040582,
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Feb 05 2020NOH, SUNG-KEUNGREENAIRTECH CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0518880229 pdf
Feb 17 2020GREENAIRTECH CO., LTD.(assignment on the face of the patent)
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