Patent
   D873959
Priority
Feb 16 2018
Filed
Aug 16 2018
Issued
Jan 28 2020
Expiry
Jan 28 2035
Assg.orig
Entity
unknown
0
10
n/a
The ornamental design for a butterfly valve disc, as shown and described.

FIG. 1 is a perspective view of a butterfly valve disc showing our 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;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a cross-sectional view taken along lines 8-8 in FIG. 2.

The dashed-dot broken lines shown in the figures are included for the purpose of illustrating bounds of the claim and form no part of the claimed design.

Nasu, Takashi, Matsukuma, Nobuyuki

Patent Priority Assignee Title
Patent Priority Assignee Title
3485476,
5360030, Oct 14 1993 Delaware Capital Formation Butterfly valve incorporating sleeve seals
6758458, Feb 26 2001 Kitz Corporation Butterfly valve
9702480, Feb 01 2011 Hayward Industries, Inc. Valve switchbox
D637695, Mar 31 2009 Kubota Corporation Valving element for butterfly valve
D645119, Mar 02 2011 Kubota Corporation Valving element for butterfly valve
D650470, Mar 31 2009 Kubota Corporation Valving element for butterfly valve
D678474, Mar 04 2011 Bulk Tank, Inc Arcuate disc for butterfly valve
JP11230372,
JP11270702,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 16 2018ASAHI YUKIZAI CORPORATION(assignment on the face of the patent)
Sep 13 2018NASU, TAKASHIASAHI YUKIZAI CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0475280349 pdf
Sep 13 2018MATSUKUMA, NOBUYUKIASAHI YUKIZAI CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0475280349 pdf
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