IP Library › Granted Patent US 12,628,956
Granted Patent B1
US 12,628,956 · App. 19/373,995 · Granted May 19, 2026

Classroom chair

Inventors: Daniel Massam (Philadelphia, PA); Thomas Murray (Philadelphia, PA)
Assignee: Academia Furniture, LLC
A47C5/12A47B91/06A47C3/04A47C7/626A47C7/64
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Quick Facts
Patent No.
US 12,628,956
App. No.
19/373,995
Granted
May 19, 2026
Kind
B1
Abstract

A chair includes a chair back. The chair back houses a steel plate. The chair back defines a first aperture. The chair includes a chair seat that defines a second aperture. The chair includes a steel bracket. The steel bracket connects an underside of the chair seat to the steel plate. The chair includes a first chair support. The first chair support includes two legs and is disposed on a first side of the chair seat. The chair includes a second chair support. The second chair support includes two legs and is disposed on a second side of the chair seat. The chair includes a first bar. The chair includes a second bar. The first chair support and the second chair support run parallel to one another from the back of the chair to the front of the chair.

Claims (102)

1 . A chair comprising:

a chair back:

housing a steel plate; and

defining a first aperture, the first aperture exposing at least a portion of face of the steel plate, wherein the first aperture is in lower middle of the chair back;

a chair seat defining:

a back-to-front axis, said back of said back-to-front axis being adjacent to the chair back; and

defining a second aperture, wherein the second aperture is in middle of the chair seat adjacent the first aperture;

a steel bracket configured to connect an underside of the chair seat to the steel plate, the steel bracket extending through the second aperture;

a first chair support, said first chair support extending parallel to the back-to-front axis, said first chair support:

comprising two legs; and

being disposed on a first side of the chair seat;

a second chair support, said second chair support extending parallel to the back-to-front axis, said second chair support:

comprising two legs; and

being disposed on a second side of the chair seat;

a first bar configured to connect the first chair support to the second chair support; and

a second bar configured to connect the first chair support to the second chair support.

2 . The chair of claim 1 wherein the chair seat comprises:

a seat pan; and

a rear facing lip, said rear facing lip:

defining the second aperture; and

extending beyond the seat pan.

3 . The chair of claim 2 wherein the rear facing lip forms an obtuse angle with respect to the seat pan.

4 . The chair of claim 2 wherein a curvature of the rear facing lip corresponds to a curvature of a lower portion of the chair back.

5 . The chair of claim 1 wherein the first chair support further comprises a first stretcher, said first stretcher disposed between a front leg and a back leg of the first chair support;

wherein the first stretcher connects at:

a substantially right angle with the front leg; and

a rake angle with the back leg.

6 . The chair of claim 5 wherein a portion of the first stretcher is disposed under a portion of the chair seat.

7 . The chair of claim 1 wherein the second chair support further comprising a second stretcher, said second stretcher disposed between a front leg and a back leg of the second chair support;

wherein the second stretcher connects at:

a substantially right angle with the front leg; and

a rake angle with the back leg.

8 . The chair of claim 7 wherein a portion of the second stretcher is disposed under a portion of the chair seat.

9 . The chair of claim 1 wherein the chair back and the chair seat are formed from a poly-molded material.

10 . The chair of claim 1 wherein:

the chair back is shaped with a linear bend across a horizontal axis, the linear bend separating an upper portion of the chair back from a lower portion of the chair back; and

the linear bend defining an obtuse angle between the upper portion of the chair back and the lower portion of the chair back.

11 . The chair of claim 1 wherein the chair further comprises a book basket, the book basket configured to be connected flush with the underside of the chair seat.

12 . The chair of claim 1 wherein the chair back further defines a U-shaped cavity, said U-shaped cavity configured for use as a hook and/or a handle.

13 . A chair comprising:

a chair back:

shaped with a linear bend across a horizontal axis, the linear bend separating an upper portion of the chair back from a lower portion of the chair back;

defining an obtuse angle along the linear bend between the upper portion of the chair back and the lower portion of the chair back;

housing a steel plate in the lower portion; and

defining a first aperture, the first aperture exposing at least a portion of face of the steel plate, wherein the first aperture is in lower middle of the chair back;

a chair seat defining a back-to-front axis, said back of said back-to-front axis is adjacent to the chair back, the chair seat comprising:

a seat pan; and

a rear facing lip, said rear facing lip that:

defines a second aperture, wherein the second aperture is in middle of the chair seat adjacent the first aperture;

extends beyond the seat pan; and

includes a curvature that corresponds to a curvature of the lower portion of the chair back;

a steel bracket configured to connect an underside of the chair seat to the steel plate, the steel bracket extending through the second aperture; and

a chair support, said chair support configured to support the chair back, the chair seat and the steel bracket.

14 . The chair of claim 13 wherein the rear facing lip forms an obtuse angle with respect to the seat pan.

15 . The chair of claim 13 wherein a portion of the chair support extends beyond the chair seat.

16 . The chair of claim 13 wherein the chair back and the chair seat are formed from a poly-molded material.

17 . The chair of claim 13 wherein the chair further comprises a cover:

cover configured to fit into the first aperture;

configured to cover a back of the exposed face of the steel plate; and

formed from a poly-molded material.

18 . The chair of claim 13 wherein the upper portion of the chair back includes a hook handle configured for use as:

a hook configured for holding a bookbag; and

a handle.

19 . The chair of claim 13 wherein the chair support comprises a book basket configured to:

connect flush with the underside of the chair seat; and

store one or more items.

20 . A chair comprising:

a chair back:

housing a steel plate; and

defining a first aperture, the first aperture exposing at least a portion of face of the steel plate, wherein the first aperture is in lower middle of the chair back;

a chair seat, said chair seat defining a second aperture, wherein the second aperture is in middle of the chair seat adjacent the first aperture;

a steel bracket configured to connect an underside of the chair seat to the steel plate, the steel bracket extending through the second aperture;

a first chair support:

comprising two legs; and

being disposed on a first side of the chair seat;

a second chair support:

comprising two legs; and

being disposed on a second side of the chair seat;

a first bar configured to connect the first chair support and the second chair support; and

a second bar configured to connect the first chair support and the second chair support;

wherein, the first chair support and the second chair support run parallel to one another from the back of the chair to a front of the chair.

21 . The chair of claim 20 wherein the chair seat includes:

a seat pan; and

a rear facing lip, said rear facing lip:

defining the second aperture; and

extending beyond the seat pan.

22 . The chair of claim 21 wherein the rear facing lip forms an obtuse angle with respect to the seat pan.

23 . The chair of claim 21 wherein a curvature of the rear facing lip corresponds to a curvature of a lower portion of the chair back.

24 . The chair of claim 20 , the first chair support further comprising a stretcher, said stretcher disposed between a front leg and a back leg;

wherein the stretcher connects at:

a substantially right angle with the front leg; and

a rake angle with the back leg.

25 . The chair of claim 24 wherein a portion of the stretcher of the first chair support is disposed under a portion of the chair seat.

26 . The chair of claim 20 , the second chair support further comprising a stretcher, said stretcher disposed between a front leg and a back leg;

wherein the stretcher connects at:

a substantially right angle with the front leg; and

a rake angle with the back leg.

27 . The chair of claim 26 wherein a portion of the stretcher of the second chair support is disposed under a portion of the chair seat.

28 . The chair of claim 20 wherein the chair back and the chair seat are formed from a poly-molded material.

29 . The chair of claim 20 wherein:

the chair back is shaped with a linear bend across a horizontal axis, the linear bend separates an upper portion of the chair back from a lower portion of the chair back; and

the linear bend defines an obtuse angle between the upper portion of the chair back and the lower portion of the chair back.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 30, 2025
From: MASSAM, DANIEL; MURRAY, THOMAS
To: ACADEMIA FURNITURE INDUSTRIES
Reel/Frame 072729/0260 →
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