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Patent
D943326
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Priority
Mar 26 2019
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Filed
Sep 23 2019
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Issued
Feb 15 2022
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Expiry
Feb 15 2037
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Assg.orig
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Entity
unknown
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1
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8
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n/a
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The ornamental design for an office chair backrest, as shown and described.
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FIG. 1 is a front elevation view of the office chair backrest showing my new invention;
FIG. 2 is a rear elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front perspective view thereof; and,
FIG. 8 is a rear perspective plan view thereof.
Ballendat, Martin
Patent |
Priority |
Assignee |
Title |
D953085, |
Jan 06 2021 |
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Chair back frame |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a