Chairback

- Steelcase Inc.
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top upper perspective view of a first embodiment of a chairback;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a left side elevation view thereof;

FIG. 8 is a rear lower perspective view thereof;

FIG. 9 is a top upper perspective view of a second embodiment of a chairback;

FIG. 10 is a top plan view thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a rear elevation view thereof;

FIG. 13 is a front elevation view thereof;

FIG. 14 is a right side elevation view thereof;

FIG. 15 is a left side elevation view thereof; and,

FIG. 16 is a rear lower perspective view thereof.

The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in FIGS. 9-16 illustrate environmental structure.

Claims

We claim the ornamental design for a chairback, as shown and described.

Referenced Cited
U.S. Patent Documents
2678685 May 1954 Volsk
2726713 December 1955 Turner
3559978 February 1971 Molt
3652809 March 1972 Dickopp et al.
3653233 April 1972 Titone
3709559 January 1973 Rowland
3720568 March 1973 Rowland
3724402 April 1973 Thyberg et al.
3767261 October 1973 Rowland
3774967 November 1973 Rowland
3843477 October 1974 Rowland
3948558 April 6, 1976 Obermeier et al.
4502728 March 5, 1985 Sheldon et al.
D279244 June 18, 1985 Bergquist
4574100 March 4, 1986 Mercer
4634178 January 6, 1987 Carney
4668557 May 26, 1987 Lakes
4680215 July 14, 1987 Mercer
4718724 January 12, 1988 Quinton et al.
5154485 October 13, 1992 Fleishman
5269631 December 14, 1993 Mercer et al.
5711575 January 27, 1998 Hand et al.
5747140 May 5, 1998 Heerklotz
5791933 August 11, 1998 Saka et al.
5863095 January 26, 1999 Rivard et al.
5871258 February 16, 1999 Battey et al.
5934758 August 10, 1999 Ritch et al.
5951109 September 14, 1999 Roslund, Jr. et al.
6035901 March 14, 2000 Stumpf et al.
6062649 May 16, 2000 Nagel et al.
6079785 June 27, 2000 Peterson et al.
D437501 February 13, 2001 Rehmert et al.
6189972 February 20, 2001 Chu et al.
6286900 September 11, 2001 Roark
6299248 October 9, 2001 Gennaro et al.
D451293 December 4, 2001 Su
6354662 March 12, 2002 Su
6412593 July 2, 2002 Jones
6419318 July 16, 2002 Albright
6471294 October 29, 2002 Dammermann et al.
D471042 March 4, 2003 Schmitz et al.
6550866 April 22, 2003 Su
6568760 May 27, 2003 Davis et al.
6572190 June 3, 2003 Koepke et al.
6575530 June 10, 2003 Fischer et al.
6626497 September 30, 2003 Nagamitsu et al.
6644752 November 11, 2003 Takata
6709060 March 23, 2004 Su
6726285 April 27, 2004 Caruso et al.
D489191 May 4, 2004 Ma
6729691 May 4, 2004 Koepke et al.
6733080 May 11, 2004 Stumph et al.
D494792 August 24, 2004 Schmitz et al.
6805405 October 19, 2004 Koo
6874852 April 5, 2005 Footitt
6890030 May 10, 2005 Wilkerson et al.
6957861 October 25, 2005 Chou et al.
D513134 December 27, 2005 Asano et al.
D513457 January 10, 2006 Asano et al.
6981743 January 3, 2006 Edwards et al.
D521755 May 30, 2006 Kinoshita et al.
7059682 June 13, 2006 Caruso et al.
7213886 May 8, 2007 Schmitz et al.
7234773 June 26, 2007 Raftery et al.
7247265 July 24, 2007 Alderson et al.
7249802 July 31, 2007 Schmitz et al.
7252870 August 7, 2007 Anderson et al.
7275793 October 2, 2007 Fujita et al.
7303232 December 4, 2007 Chen
D558995 January 8, 2008 Igarashi
D559573 January 15, 2008 Igarashi
7344194 March 18, 2008 Maier et al.
7347495 March 25, 2008 Beyer et al.
D571568 June 24, 2008 Overthun et al.
7406733 August 5, 2008 Coffield et al.
7419215 September 2, 2008 Wilkerson et al.
7441758 October 28, 2008 Coffield et al.
7455365 November 25, 2008 Caruso et al.
7472962 January 6, 2009 Caruso et al.
7484802 February 3, 2009 Beyer et al.
D591969 May 12, 2009 Overthun et al.
7604298 October 20, 2009 Peterson et al.
7647714 January 19, 2010 Coffield et al.
D613087 April 6, 2010 Fujita
7712834 May 11, 2010 Knoblock et al.
7731295 June 8, 2010 Lin
7740321 June 22, 2010 Brill et al.
7794017 September 14, 2010 Kan et al.
7794022 September 14, 2010 Caruso et al.
7841665 November 30, 2010 Geister et al.
7857388 December 28, 2010 Bedford et al.
7887131 February 15, 2011 Chadwick et al.
7931257 April 26, 2011 VanDeRiet et al.
D648554 November 15, 2011 Smith
D655522 March 13, 2012 Czumaj-Bront et al.
8157329 April 17, 2012 Masoud et al.
D660612 May 29, 2012 Smith
8172332 May 8, 2012 Masunaga et al.
8186761 May 29, 2012 Brill et al.
8191970 June 5, 2012 Igarashi et al.
D666841 September 11, 2012 Czumaj-Bront et al.
8297708 October 30, 2012 Mizobata et al.
D670927 November 20, 2012 Hurford
D671330 November 27, 2012 Izawa
D673394 January 1, 2013 Hurford
8436508 May 7, 2013 Kornbluh et al.
8449037 May 28, 2013 Behar et al.
D686833 July 30, 2013 Chan
8534648 September 17, 2013 Coffield et al.
D695537 December 17, 2013 Geelen
8652602 February 18, 2014 Dolla
D701068 March 18, 2014 Usumoto et al.
D705560 May 27, 2014 Sato
D710640 August 12, 2014 Usumoto et al.
8926016 January 6, 2015 Behar et al.
D726431 April 14, 2015 Ye
D733445 July 7, 2015 Izawa
D741099 October 20, 2015 Igarashi et al.
9155393 October 13, 2015 Hurford et al.
9192237 November 24, 2015 Bachar
9211014 December 15, 2015 Schmitz et al.
9301615 April 5, 2016 Behar et al.
9332851 May 10, 2016 Machael et al.
9486079 November 8, 2016 Romero
D782240 March 28, 2017 Wada
9603451 March 28, 2017 Masunaga et al.
D793112 August 1, 2017 Webb
D793141 August 1, 2017 Igarashi
D802315 November 14, 2017 Meda
D816363 May 1, 2018 Su
20020021040 February 21, 2002 Caruso et al.
20040140701 July 22, 2004 Schmitz et al.
20050025948 February 3, 2005 Johnson et al.
20050146193 July 7, 2005 Shieh
20060022506 February 2, 2006 Chan
20060267258 November 30, 2006 Coffield et al.
20060286359 December 21, 2006 Coffield et al.
20070031667 February 8, 2007 Hook et al.
20080011021 January 17, 2008 Starbuck et al.
20080248710 October 9, 2008 Wittner
20090020931 January 22, 2009 Coffield et al.
20090239049 September 24, 2009 Hook et al.
20110046715 February 24, 2011 Ugbolue et al.
20110282452 November 17, 2011 Koerner et al.
20120007400 January 12, 2012 Behar et al.
20120129416 May 24, 2012 Anand et al.
20150190269 July 9, 2015 Lenoble et al.
20150296989 October 22, 2015 Machael et al.
20150320220 November 12, 2015 Eberlein et al.
20160135603 May 19, 2016 Chan et al.
Foreign Patent Documents
2256246 June 1997 CN
10149202 October 2007 CN
202932442 May 2013 CN
203524214 April 2014 CN
102016010929 April 2017 DE
1224810 March 1971 GB
3974636 June 2007 JP
2008/000364 January 2008 JP
2008/237332 October 2008 JP
4462227 February 2010 JP
2014/054578 March 2014 JP
10-1575774 December 2015 KR
10-1679795 November 2016 KR
WO 1988/00523 January 1988 WO
WO 1991/01210 February 1991 WO
WO 2000/53830 September 2000 WO
WO 2004/032686 April 2004 WO
WO 2004/088015 October 2004 WO
WO 2004/104315 December 2004 WO
WO 2007/133458 November 2007 WO
WO 2009/002479 December 2008 WO
WO 2010/049511 May 2010 WO
WO 2012/171911 December 2012 WO
WO 2015/108143 July 2015 WO
Other references
  • Dolla et al., “Structural and Drug Diffusion Models of Conventional and Auxetic Drug-Eluting Stents” Research Paper dated Aug. 3, 2006, pp. 1-32.
  • Dolla et al., Structural and Drug Diffusion Models of Conventional and Auxetic Drug-Eluting Stents, Journal of Medical Devices, vol. 1, Mar. 2007, downloaded from the Internet on Jan. 8, 2018, pp. 47-55.
  • Proceedings of NanoBio 2006, Frontiers in Biomedical Devices Conference, NanoBios2006-18035, Jun. 8-9, 2006, Irvine, California, U.S.A., pp. 1-2.
  • Alderson, A Triumph of Lateral Thought, Chemistry & Industry, dated May 17, 1999, pp. 384-391.
  • Roguin et al., BeStent—The Serpentine Balloon Expandable Stent: Review of Mechanical Properties and Clinical Experience, Artif Organs, vol. 22 (3), 1998, presented in part on Jun. 29-Jul. 1, 1997, in Providence, Rhode Island, U.S.A., pp. 243-249.
  • Dolla, Drug Diffusion and Structural Design Criteria for Conventional and Auxetic Drug-Eluting Stents, Dissertation in Engineering and Chemistry, 2006, pp. 1-149.
  • Hwang, et al. 2003, downloaded from the Internet on Oct. 26, 2014, “Impact of Transport and Drug Properties on the Local Pharmacology of Drug-Eluting Stents,” International Journal of Cardiovascular Interventions, 5, pp. 7-12.
  • Walline, K.S., 2004, “Drug Delivery Coatings for Cardiovascular Stents: Silicone Elastomer and Thrombin Responsive Hydrogel Coatings,” M.S. Thesis, University of Washington.
  • Windecker et al., 2003, “Sirolimus Eluting Stent: A New Era in Interventional Cardiology,” Current Pharmaceutical Design, 9, pp. 1077-1094.
  • Lu et al., 2004, “Biaxial Incremental Homeostatic Elastic Moduli of Coronary Artery: Two-Layer Model,” American Journal of Physiology—Heart, vol. 287, pp. H1663-H1669.
  • Boulanger et al., 1998, “Poisson's ratio of Orthorhombic Materials,” Journal of Elasticity, vol. 50, pp. 87-89.
  • Clark et al., 1994, “Negative Poisson's Ratios in Angle-Ply Laminates: Theory and Experiment,” Composites, vol. 25, No. 9, pp. 863-868.
  • Evans et al, 2004, “The Design, Matching and Manufacture of Auxetic Carbon Fiber Laminates,” Journal of Composite Materials, vol. 38, No. 2, pp. 95-106.
  • Hine et al., 1997, Negative Poisson's Ratios in Angle-Ply Laminates, Journal of Materials Science Letters, vol. 16, No. 7, pp. 541-544.
  • Lakes, R.S., 1987(a), Foam Structures with a Negative Poisson's Ratio, Science, vol. 235, pp. 1038-1040, dated Feb. 27, 1987.
  • Lakes, R.S. et al., 1993, Indentability of Conventional and Negative Poisson's Ratio Foams, Journal of Composite Materials, vol. 27, pp. 1193-1202.
  • Warren, T.L., 1990, “Negative Poisson's Ratio in a Transversely Isotropic Foam Structure,” Journal of Applied Physics, vol. 67, No. 12, pp. 7591-7594, dated Jun. 15, 1990.
  • Baughman et al., “Negative Poisson's Ratios as a Common Feature of Cubic Metals,” Letters to Nature, vol. 392, MacMillan Publishers Ltd., 1998; dated Mar. 26, 1998, pp. 362-365.
  • Choi et al., “Fracture Toughness of Renetrant Foam Materials with a Negative Poisson's Ratio: Experiment and Analysis,” Int. J. Fracture, vol. 80, 1996, pp. 73-83.
  • Amir Yeganeh-Haeri et al., “Elasticity of #-Christobalite: A Silicon Dioxide with a Negative Poisson's Ratio,” Science, vol. 257, No. 5070, pp. 650-652, dated Jul. 31, 1992.
  • Smardzewski et al., “Auxetic Spring Elements for Elastically Supporting a Sitting or Lying,” Article, WULS-SGGW, Forest and Wood Technology 73, 2011, 9 pages.
  • Smardzewski, “Auxetic Springs for Seating,” Journal, May 6, 2013, 8 pages, Poznan, Poland.
  • Smardzewski et al., “Design of Small Auxetic Springs for Furniture,” 2 pgs.
Patent History
Patent number: D869889
Type: Grant
Filed: Dec 5, 2017
Date of Patent: Dec 17, 2019
Assignee: Steelcase Inc. (Grand Rapids, MI)
Inventors: Nickolaus William Charles Deevers (Holland, MI), Bruce Smith (Grand Rapids, MI), Mark Spoelhof (Grand Rapids, MI), Kurt R. Heidmann (Grand Rapids, MI), Pascal Hien (Radebeul)
Primary Examiner: Mimosa De
Application Number: 29/628,526
Classifications
Current U.S. Class: D6/716.4; D6/366