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Publication numberUSD540080 S1
Publication typeGrant
Application numberUS 29/240,261
Publication dateApr 10, 2007
Filing dateOct 11, 2005
Priority dateOct 11, 2005
Fee statusPaid
Publication number240261, 29240261, US D540080 S1, US D540080S1, US-S1-D540080, USD540080 S1, USD540080S1
InventorsTung-Hua Su
Original AssigneeTung-Hua Su
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Chair backrest
US D540080 S1
Images(7)
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Claims(1)
  1. The ornamental design for a chair backrest, as shown and described.
Description

FIG. 1 is a perspective view of a chair backrest showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Classifications
U.S. ClassificationD06/716.4, D06/366
Legal Events
DateCodeEventDescription
Oct 10, 2011FPAYFee payment
Year of fee payment: 4
Feb 7, 2006ASAssignment
Owner name: OAK RIDGE ASSOCIATED UNIVERSITIES, TENNESSEE
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LI, AN-PING;REEL/FRAME:017130/0303
Effective date: 20050915
Owner name: UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION, TENNE
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MA, JIANXING;REEL/FRAME:017130/0218
Owner name: UT-BATTELLE, LLC, TENNESSEE
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:OAK RIDGE ASSOCIATED UNIVERSITIES;REEL/FRAME:017130/0577
Effective date: 20051208
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SHEN, JIAN;REEL/FRAME:017130/0204
Dec 27, 2005ASAssignment
Owner name: ENERGY, U.S. DEPARTMENT OF, DISTRICT OF COLUMBIA
Free format text: CONFIRMATORY LICENSE;ASSIGNOR:BATTELLE MEMORIAL INSTITUTE, PACIFIC NORTHWEST DIVISION;REEL/FRAME:017143/0444
Effective date: 20051031