US3863981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair
Assignee: Individual
•
Filing: 1973-03-12
•
Granted: 1975-02-04
•
Expires: 1993-03-12
Abstract
Abstract A chair comprising a fabric seat portion extending transversely between opposite sides of a transverse frame mounted on a stand or base. An upright back portion is connected with the seat portion and is held in upright position by an upright support arm which is movably connected with the transverse frame below the seat. A control arm is connected with the frame and extends to an adjustable connection with the support arm for holding the upper end of the back portion in place, and for adjusting the angle thereof.
Inventors
- 👤 Edward R Doyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:44
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/02; A47C3/025; A47C3/0255
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
151 words
A chair comprising a stand forming a base and including upright side portions on opposite sides of the chair, a frame extending transversely of the chair and having opposite sides mounted on the upright side portions of the base for supporting a seat portion thereabove, a support arm extending transversely of the frame between the upright side portions and upwardly behind the seat, means for adjustably connecting the support arm adjacent one end portion thereof with the frame for tilting movement of the support arm relative thereto, means for adjustably locking the support arm in a tilted position with respect to the frame, and means connected to the support arm for receiving pressure from the feet of an occupant of the chair to release the support arm from the locking means and to reengage the support arm with the locking means subsequent to adjustment of the tilting of the support arm.
Claim 2
Dependent Claim
151 words
A chair comprising a stand forming a base and including upright side portions on opposite sides of the chair, a frame extending transversely of the chair and having opposite sides mounted on the upright side portions of the base for supporting a seat portion thereabove, a support arm extending transversely of the frame between the upright side portions and upwardly behind the seat, means for adjustably connecting the support arm adjacent one end portion thereof with the frame for tilting movement of the support arm relative thereto, means for adjustably locking the support arm in a tilted position with respect to the frame, and means connected to the support arm for receiving pressure from the feet of an occupant of the chair to release the support arm from the locking means and to reengage the support arm with the locking means subsequent to adjustment of the tilting of the support arm.
Claim 3
Dependent Claim
27 words
A chair according to claim 1, wherein the locking means is mounted on the frame and is connected with the upper end portion of the support arm.
Claim 4
Dependent Claim
36 words
A chair according to claim 1, wherein the frame has an upper transverse portion above the seat, and the locking means extends from said upper transverse portion to the upper end portion of the support arm.
Claim 5
Dependent Claim
43 words
A chair according to claim 1, wherein the frame has an upper transverse portion above the seat, and the locking means includes a bar extending rearwardly from said transverse portion to an adjustable connection with the upper end portion of the support arm.
Claim 6
Dependent Claim
31 words
A chair according to claim 1, wherein the means for receiving pressure from the feet of an occupant includes a foot rest on the front end portion of the support arm.
Claim 7
Dependent Claim
40 words
A chair according to claim 1, including a seat support extending in bridging relation between opposite sides of the frame and having a back support extending upwardly from the seat support to the upper end portion of the support arm.
Claim 8
Dependent Claim
102 words
A chair comprising a stand forming a planar base with upright side portions on opposite sides of the chair, a closed, arcuate frame mounted on the upright side portions and pivotable about a horizontal axis passing through the points at which the frame is mounted thereon, a seat member extending transversely between opposite sides of the frame and having a back portion extending upwardly therefrom, a support arm connected with the lower portion of the frame and extending upwardly behind the back portion to connect with the upper portion of the frame, and means mounting the back portion on the support arm.
Claim 9
Dependent Claim
102 words
A chair comprising a stand forming a planar base with upright side portions on opposite sides of the chair, a closed, arcuate frame mounted on the upright side portions and pivotable about a horizontal axis passing through the points at which the frame is mounted thereon, a seat member extending transversely between opposite sides of the frame and having a back portion extending upwardly therefrom, a support arm connected with the lower portion of the frame and extending upwardly behind the back portion to connect with the upper portion of the frame, and means mounting the back portion on the support arm.
Claim 10
Dependent Claim
32 words
A chair according to claim 7, including a control bar connected with the upper portion of the frame to adjustably connect the frame with the upper end portion of the support arm.
Claim 11
Dependent Claim
56 words
A chair according to claim 7, including a control bar connected with the upper section of the frame, means connected with the support arm in guided relation with the control bar for swinging, adjustable movement of the support arm therealong, and means for locking the support arm in adjusted position with respect to the control bar.
Claim 12
Dependent Claim
20 words
A chair according to claim 7, including a foot rest connected with the lower end portion of the support arm.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-03 | 1978-08-05 | 1979-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-03 | 1982-08-05 | 1983-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-03 | 1986-08-05 | 1987-02-04 | $7700.00 | Window Closed / Lapsed |