Back assembly

Description

FIG. 1 is a perspective view of a back assembly on a stool showing a top, a back and a left side.

FIG. 2 is another perspective view of the back assembly of FIG. 1 showing a front, the top and the left side.

FIG. 3 is left side elevational view, the right side being a mirror image.

FIG. 4 is a rear elevational view.

FIG. 5 is a top plan view

FIG. 6 is a front elevational view; and,

FIG. 7 is a bottom plan view.

The broken line showings of an actuator and a mounting portion form no part of the claimed design. The broken line showing of a portion of the stool illustrates the environment of the claimed design and forms no part thereof.

Claims

CLAIM We claim the ornamental design for a back assembly, as shown and described.

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Inventors:	Alvarez; Jason (Portland, OR), Stark; Charles (Tigard, OR), Kaas; Fred (Portland, OR)
Applicant:	Name City State Country Type A-dec, Inc. Newberg OR US
Assignee:	A-dec, Inc. (Newberg, OR)
Appl. No.:	D/519,429
Filed:	March 4, 2015

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Current U.S. Class:	D6/716.4
Current International Class:	0601
Field of Search:	;D6/334-336,364,365,366,374,716,716.1,716.4

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References Cited [Referenced By]

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U.S. Patent Documents

D227953	July 1973	Prizlow
D233807	December 1974	Ruf
D243486	March 1977	Buhk
D256739	September 1980	Acton
D395172	June 1998	Pate
D405617	February 1999	Kaczmarek
D463178	September 2002	Chu
D463694	October 2002	Chu
D541086	April 2007	McNamee
D677951	March 2013	Voyce, IV
D699060	February 2014	Geiger
D708464	July 2014	Gokhale
2006/0250019	November 2006	Wu

Other References

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Back Quality Ergonomics, The Sciszor.RTM., 2 pages (document not dated). cited by applicant . Belmont Equipment, Operatory Seating, Dental Seating, 2 pages (document marked 2001). cited by applicant . Belmont Equipment, Operatory Seating, Model 100 and Model 101, 2 pages (document marked 2008). cited by applicant . Boyd Industries, Doctor Assistant Seating, http://www.boydindustries.com/orthodontics/doctor-assistant-seating.php (downloaded Jun. 4, 2015). cited by applicant . Brewer Company, Dental Seating, 8 pages (document marked Sep. 2013). cited by applicant . Brewer Design, DynaCore Seating System, http://brewercompany.com/wp-content/uploads/2015/01/LIT-D-008.sub.--DynaC- ore-Brochure.pdf (downloaded Jun. 4, 2015). cited by applicant . Castellini, Stool C9, http://pdf.medicalexpo.com/pdf/castellini/stool-c9/71690-138078.html#open (downloaded Jun. 4, 2015). cited by applicant . CB Dental, Andy, 1 page (document not dated). cited by applicant . 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Primary Examiner: De; Mimosa
Attorney, Agent or Firm: Klarquist Sparkman, LLP