Title:
Task chair
United States Patent D490994
Inventors:
Schmitz, Johann Burkhard (Berlin, DE)
Plikat, Claudia (Berlin, DE)
Neubert, Nicolai (Berlin, DE)
Zwick, Carola E. M. (Berlin, DE)
Zwick, Roland R. O. (Berlin, DE)
Application Number:
29/169159
Publication Date:
06/08/2004
Filing Date:
10/15/2002
Assignee:
Herman Miller, Inc. (Zeeland, MI)
Primary Class:
Field of Search:
297/411.27, D6/365, D6/502, D6/366, 297/452.46, 297/411.2, D6/334, D6/501, D6/364, D6/367, 297/411.36, D6/335, D6/500
View Patent Images:
US Patent References:
6254186Adjustable lumbar supportFalzon
6189971Task chair with adjustable seat depthWitzig
6179384Force adjusting deviceDeKraker et al.
6099076Chair back constructionNagel et al.
6062649Chair back constructionNagel et al.
5975632Chair having a backrest with an adjustable contourGinat
5904400Adjustable chairWei
5871256Method for inclining a chair seat and chair having an inclinable seatKogai
5860700Lumbar support adjustment deviceLance
5797652Lumbar support adjustmentDarbyshire
5685606Adjustable lumbar supportLance
5486035Occupant weight operated chairKoepke et al.
4915448Power actuated lumbosacral backrestMorgenstern et al.
4722569Power and manually actuated lumbosacral backrestMorgenstern et al.
4556254BackrestRoberts
D201355N/ACavalli
D273728ChairCafiero
D346279ChairStumpf et al.
D355534ChairSaotome
D417792Office chairHansen et al.
D422802Modular chairDeaconD6/366
D423259Mesh back chairGrove
D424824ChairChu
D431400Mesh back chair with radiused edgesGrove
D434918ChairArko et al.
D437701ChairBellini et al.
D440419ChairRöder
D442790ChairSimons et al.D6/366
D442791ChairSimons, Jr. et al.
D444309ChairNagamitsu
D444955ChairSu
D449174ChairNeil
D451293ChairSu
D453079Arm chairMa
D456159ChairBall et al.D6/366
D456626ChairSu
D456650Chair componentBall et al.
D457023Chair componentBall et al.D6/502
D457739ChairPearce et al.D6/366
D461323ChairSu
D471042Back for a seating structureSchmitz et al.D6/502
D471370Task chairSchmitz et al.D6/366
D476821Ergonomic chairKoepke et al.D6/366
D477151Armless ergonomic chairKoepke et al.D6/366
Foreign References:
WO/1993/025121OFFICE CHAIR
WO/2000/022961CHAIR MECHANISM
Other References:
Copy of patent application Ser. No. 29/155,591 for “Task Chair” by Schmitz et al., filed Feb. 13, 2002.
Copy of patent application Ser. No. 29/169,151 for “Back for a Seating Structure” by Schmitz et al., filed Oct. 15, 2002.
Copy of patent application Ser. 29/155,590 for “Back for a Seating Structure” by Schmitz et al., filed Feb. 13, 2002.
Digital image of “Ypsilon” by Vitra, date unknown.
Digital image of “Project 2000” by Sitag, date unknown.
Digital image of “Fluid” by allseating, date unknown.
Digital image of “HAG H05” by HAG, date unknown.
Digital image of “Konca” by Kastel, date unknown.
Digital image of “Vigor”/Topdeq, date unknown.
Digital image of “NetWeb”/Topdeq, date unknown.
Digital image of “Lucy” by Vecta, date unknown.
Digital image of “Open up”/Cairo, date unknown.
Digital image of “IB Office” Seating by Bieffe, date unknown.
Digital image of “Freedom” by Humanscale, date unknown.
Digital image of “Cordo” by Klöber, date unknown.
Copy of Digital images of “Please” by Steelcase, date unknown.
“X99 Haworth®” brochure, date unknown.
“Ypsilon vitra.” brochure, date unknown.
Izzydesign “Maxwell” brochure, date unknown.
Primary Examiner:
Watson, Gary D.
Attorney, Agent or Firm:
Brinks Hofer Gilson & Lione
Claims:
1. The ornamental design for a task chair, as shown and described.

Description:
FIG. 1 is a perspective view of a task chair;

FIG. 2 is a right side view of the task chair shown in FIG. 1;

FIG. 3 is a front view of the task chair shown in FIG. 1;

FIG. 4 is a left side view of the task chair shown in FIG. 1;

FIG. 5 is a rear view of the task chair shown in FIG. 1;

FIG. 6 is a top view of the task chair shown in FIG. 1; and,

FIG. 7 is a bottom view of the task chair shown in FIG. 1.

The broken lines showing a lumbar support in FIGS. 1, 2, 3, 4, 5 and 7 are for environmental purposes only and do not form any part of the claimed design.