Patent
   D421792
Priority
Dec 16 1998
Filed
Dec 16 1998
Issued
Mar 21 2000
Expiry
Mar 21 2014
Assg.orig
Entity
unknown
10
7
n/a
The ornamental design for a two piece mechanical plug assembly, as shown and described.

FIG. 1 is a front view of the two piece mechanical plug assembly of the present invention;

FIG. 2 is a rear view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a side view and showing the side opposite that of FIG. 3 thereof;

FIG. 5 is the top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a view showing the rigid body member of the two piece mechanical plug separated from the flexible seal member.

Bevacco, Marc P.

Patent Priority Assignee Title
6250337, Dec 21 1998 Cherne Industries Incorporated Mechanical plug assembly
6557825, Mar 30 2001 Cherne Industries Incorporated Air admittance valve connector assembly
8776949, Jul 25 2012 Systems and methods for covering ladder rung throughbores
D476723, Nov 01 2002 PLASTIC TRENDS, INC Manually removable pipe plug
D495403, Feb 24 2003 LSP Products Group, Inc. Inset plug-on with knockout retainer
D528192, Mar 07 2005 Cambro Manufacturing Company Food service venting plug
D553717, Aug 25 2006 Cambro Manufacturing Company Venting plug
D844117, Jan 13 2017 BACHARACH INC.; BACHARACH INC Flue plug
D858718, Jul 03 2018 JUKA INNOVATIONS CORPORATION Tub drain cover
D941440, Feb 08 2021 Bathtub plug
Patent Priority Assignee Title
3821969,
4506705, Jan 22 1982 Pipe closure device
5803126, Apr 01 1997 Protective closure
936444,
209377,
D363767, Jun 21 1994 Drain plug
D404472, May 21 1998 Camco Manufacturing, Inc. Blowout plug
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 07 1998BEVACCO, MARC P Cherne Industries IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0096920976 pdf
Dec 16 1998Cherne Industries Incorporated(assignment on the face of the patent)
Jul 16 2012Cherne Industries IncorporatedKEYBANK NATIONAL ASSOCIATION, AS COLLATERAL AGENTINTELLECTUAL PROPERTY SECURITY AGREEMENT0285970963 pdf
Feb 28 2014KEYBANK NATIONAL ASSOCIATION, AS COLLATERAL AGENTCherne Industries IncorporatedRELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0323800463 pdf
Feb 28 2014KEYBANK NATIONAL ASSOCIATION, AS COLLATERAL AGENTCherne Industries IncorporatedCORRECT PATENTS LISTED ON COVER SHEET PREVIOUSLY RECORDED AT REEL 032380 FRAME 04070324450258 pdf
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