Swivel posture chair control

The ornamental design for a swivel posture chair control, as shown.

FIG. 1 is a bottom perspective view of a swivel posture chair control showing my new design;

FIG. 2 is a bottom perspective view showing the side opposite that shown in FIG. 1;

FIG. 3 is a top perspective view; and

FIG. 4 is a bottom plan view thereof.

Patent	Priority	Assignee	Title
D278961,	Mar 15 1983	NORTHFIELD METAL PRODUCTS LTD , 145 NORTHFIELD DR WEST, WATERLOO, ONTARIO, CANADA N2L 5J3 A CORP OF ONTARIO	Chair control
D292459,	Aug 20 1984	NORTHFIELD METAL PRODUCTS LTD , 145 NORTHFIELD DR WEST, WATERLOO, ONTARIO, CANADA N2L 5J3 A CORP OF ONTARIO	Chair control
D377283,	Nov 17 1995	Jorng Well Industrial Co., Ltd.	Seat support of a chair
D432338,	Nov 12 1999	LEGGETT & PLATT CANADA CO	Chair control mechanism
D447652,	Aug 24 1999	LEGGETT & PLATT CANADA CO	Chair control lever
D468940,	Apr 29 2002		Chair control mechanism
D472081,	Apr 29 2002		Chair control mechanism
D544258,	Sep 21 2005		Chair adjusting apparatus with sliding panel
D554915,	Aug 04 2006		Chair tilt mechanism
D904099,	Jun 22 2018	P.S. Pibbs, Inc.; P S PIBBS, INC	Reclining mechanism for a threading chair

Patent	Priority	Assignee	Title
212689,
213494,
D246217,	Feb 05 1976	NORTHFIELD METAL PRODUCTS LTD , 145 NORTHFIELD DR WEST, WATERLOO, ONTARIO, CANADA N2L 5J3 A CORP OF ONTARIO	Chair control unit
D246558,	Feb 03 1976	NORTHFIELD METAL PRODUCTS LTD , 145 NORTHFIELD DR WEST, WATERLOO, ONTARIO, CANADA N2L 5J3 A CORP OF ONTARIO	Chair control

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Sep 22 1977		Doerner Products Co. Limited	(assignment on the face of the patent)

n/a

Date	Maintenance Fee Events

n/a

Date	Maintenance Schedule