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Patent
D853757
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Priority
Nov 17 2017
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Filed
May 15 2018
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Issued
Jul 16 2019
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Expiry
Jul 16 2034
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Assg.orig
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Entity
unknown
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5
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14
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n/a
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The ornamental design for a mattress, as shown and described.
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FIG. 1 is an top front perspective view of a mattress, showing my new design;
FIG. 2 is an top left rear perspective view thereof;
FIG. 3 is an top right perspective view thereof;
FIG. 4 is a top view thereof; and,
FIG. 5 is a bottom view thereof.
Haces Castro, María José
Patent |
Priority |
Assignee |
Title |
1228213, |
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4788730, |
Dec 02 1987 |
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Gel-filled, variably-adjustable cushioning system for supporting a person |
5513400, |
Oct 15 1993 |
|
Pressure relief mattress |
9386862, |
Feb 27 2014 |
Hickory Springs Manufacturing Company |
Mattress with an air flow channel |
20040074004, |
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20150296995, |
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20170020299, |
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139146, |
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D356918, |
Mar 25 1994 |
Bemco Associates, Incorporated |
Top and bottom surface unit of a mattress |
D455928, |
Jan 04 2001 |
Intex Recreation Corporation |
Inflatable mattress |
EP68766, |
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EP1795089, |
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JP2003261776, |
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MX2016013702, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a