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Patent
D638917
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Priority
Jun 22 2010
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Filed
Jun 22 2010
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Issued
May 31 2011
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Expiry
May 31 2025
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Assg.orig
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Entity
unknown
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0
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18
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n/a
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The ornamental design for a universal flapper, as shown and described.
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FIG. 1 is a bottom view of a universal flapper showing our new design;
FIG. 2 is a side plan view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a front elevation view of the present invention; and,
FIG. 5 is a rear elevation view of the present invention.
Dashed lines indicate structure not presently claimed.
Chen, Yibin, Huang, Baojia, Liu, Yuzhi
| Patent |
Priority |
Assignee |
Title |
| Patent |
Priority |
Assignee |
Title |
| 2756437, |
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|
| 2992806, |
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|
| 3935598, |
Jul 08 1974 |
|
Flapper flush valve |
| 3969775, |
Dec 04 1973 |
|
Water closet flushing device |
| 4419773, |
Mar 12 1982 |
|
Adjustable tank discharge valve for controlling flush water volume |
| 4455694, |
Jul 19 1982 |
|
Clip-on attachment for conserving water during the flushing of a toilet |
| 4497076, |
Feb 24 1983 |
|
Dual flush system for controlling flush water in water closet |
| 20010044951, |
|
|
|
| 20030200601, |
|
|
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| 20040237182, |
|
|
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| 20090144888, |
|
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|
| D284264, |
Jul 30 1984 |
Carlisle Corporation |
Screwable cap for a non-penetrating fastener assembly |
| D299522, |
Mar 06 1985 |
HYDRABATH, INC |
Suction assembly for a whirlpool bath |
| D321749, |
May 30 1989 |
|
Flush tank flapper valve |
| D466198, |
Jul 19 2001 |
|
Suction drain guard for swimming pools and spas |
| D517175, |
Jun 25 2004 |
|
Scented sink strainer |
| D576713, |
Jun 01 2006 |
|
Conduit plug |
| D607541, |
Jun 12 2007 |
Mueller International, LLC |
Flapper disc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a