CLAIM We claim the ornamental design for chair backrest and seat, as shown and described.
FIG. 1 is a front perspective view of a chair backrest and seat of the invention. The view from the opposite side being a mirror image thereof.
FIG. 2 is a side view of a chair backrest and seat of the invention. The view from the opposite side being an identical mirror image thereof.
FIG. 3 is a front elevational view of a chair backrest and seat of the invention; and,
FIG. 4 is a top plan view of a chair backrest and seat of the invention.
The short, broken lines on the chair backrest and seat in FIGS. 1-4 are understood to represent stitching for illustrative purposes only and form no part of the claimed invention. The other dashed lines, comprising two short and one long dashed line, in the figures showing other parts of the chair being for illustrative purposes only and form no part of the claimed invention.
The backside of the chair is not shown and forms no part of the claims invention.
Field of SearchSeating unit (3)
Combined or convertible (4)
With work surface or storage unit (5)
Swinging or rocking
Unitary support column or inset pedestal type
Three or more radiating spokes, i.e., spider
Provision for adjustment
Collapsible or folding
Seating unit (49)
Body support surface (50)
Seat or backrest (51)
Bottom slides forwardly while tilting
About vertical axis; i.e., rotates
Single non-moving support leg
Interconnected cushions for bottom and back
Preshaped foam pad
Different densities of foam
Preshaped cushioning material
Rigid or semirigid preshaped panel
Having varying density foam