US4522444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacking chair
Assignee: Individual
•
Filing: 1982-09-15
•
Granted: 1985-06-11
•
Expires: 2002-09-15
Abstract
Abstract An occasional chair is provided with two Z-shaped sides, two cross-members, and a seat comprising a rim and a mesh. The mesh allows for ventilation and the Z-shaped sides make the chair flexible. A plurality of these chairs can be stacked for easy storage.
Inventors
- 👤 Charles Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:12
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/04; A47C3/02; A47C3/021
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
172 words
A chair comprising: first and second side members each of said side members having a z-shaped main body with upwardly directed terminating portions, first and second ends of said first side member projecting perpendicularly thereto, third and fourth ends of said second side member projecting perpendicularly thereto, said first and third ends lying on the same axis and projecting towards each other, said second and fourth ends lying on the same axis and projecting towards each other, a first cross member lying on the axis of said first and second ends and interconnecting said first and second ends, a second cross member lying on the axis of said third and fourth ends and interconnecting said third and fourth ends, said first and second cross members being parallel with said first cross member lying in a plane above said second cross member, a contoured seat, a continuous peripheral rim of said contoured seat, and said seat supported by engagement of said rim with said first and second cross members on upper surfaces thereof.
Claim 2
Dependent Claim
172 words
A chair comprising: first and second side members each of said side members having a z-shaped main body with upwardly directed terminating portions, first and second ends of said first side member projecting perpendicularly thereto, third and fourth ends of said second side member projecting perpendicularly thereto, said first and third ends lying on the same axis and projecting towards each other, said second and fourth ends lying on the same axis and projecting towards each other, a first cross member lying on the axis of said first and second ends and interconnecting said first and second ends, a second cross member lying on the axis of said third and fourth ends and interconnecting said third and fourth ends, said first and second cross members being parallel with said first cross member lying in a plane above said second cross member, a contoured seat, a continuous peripheral rim of said contoured seat, and said seat supported by engagement of said rim with said first and second cross members on upper surfaces thereof.
Claim 3
Dependent Claim
24 words
The chair in claim 1 wherein said rim is an extruded member formed with a groove wherein the mesh of said seat is received.
Claim 4
Dependent Claim
38 words
The chair in claim 1 wherein each of said ends is formed with a non-circular connecting portion to be received by a non-circular connecting portion of the respective connecting member whereby rotational movement between the same is restricted.
Claim 5
Dependent Claim
11 words
The chair in claim 1 wherein the seat comprises a mesh.
Claim 6
Dependent Claim
13 words
The chair in claim 4 wherein the mesh is a contured steel mesh.
Claim 7
Dependent Claim
19 words
The chair in claim 1 wherein both the rear and the front cross-members are covered with a rubber sheathing.
Claim 8
Dependent Claim
22 words
The chair in claim 1 wherein the seat is supported by the sides by using two cross-member joints, one for each side.
References Cited (Backward Citations)
US2557671A
Cited
US1978024A
Cited
US2085804A
Cited
FR946197A
Cited
US2638149A
Cited
US3709559A
Cited
US4062590A
Cited
US4097089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-06-10 | 1988-12-10 | 1989-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-10 | 1992-12-10 | 1993-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-10 | 1996-12-10 | 1997-06-11 | $7700.00 | Window Closed / Lapsed |