US3972559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual purpose chair
Assignee: Individual
•
Filing: 1974-11-27
•
Granted: 1976-08-03
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Expires: 1994-11-27
Abstract
Abstract A dual purpose chair comprises A. a frame assembly having two positions, B. a sling attached to the frame assembly at two locations, the sling including first and second alternate seating sections and a third and flexible section intermediate the two seating sections, C. the third section defining a backrest slidably supported by the frame assembly.
Inventors
- 👤 Charles D. Anacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:14
CPC Classifications
A; A47; A47C; A47C5/00; A47C5/04; A47C5/06; A47C1/00; A47C1/02; A47C1/022; A47C1/028
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
139 words
In a dual purpose chair, the combination comprising a. a frame assembly having two positions, b. a sling attached to the frame assembly at first and second locations, the sling including first and second alternate seating sections and a third and flexible section intermediate the two seating sections, c. the third section defining a backrest slidably supported by the frame assembly, at a third location, d. the first and second sections having ends which respectively have releasably anchored attachments with the frame assembly at said first and second locations, said attachments blocking endwise slippage of the first and second sections relative to said attachments when the chair is shifted between said two positions and the third section slides relative to the supporting frame assembly said third location remaining higher than said two locations in each of said chair positions.
Claim 2
Dependent Claim
139 words
In a dual purpose chair, the combination comprising a. a frame assembly having two positions, b. a sling attached to the frame assembly at first and second locations, the sling including first and second alternate seating sections and a third and flexible section intermediate the two seating sections, c. the third section defining a backrest slidably supported by the frame assembly, at a third location, d. the first and second sections having ends which respectively have releasably anchored attachments with the frame assembly at said first and second locations, said attachments blocking endwise slippage of the first and second sections relative to said attachments when the chair is shifted between said two positions and the third section slides relative to the supporting frame assembly said third location remaining higher than said two locations in each of said chair positions.
Claim 3
Dependent Claim
55 words
The chair of claim 1 wherein the ends of the sling define loops, and the frame assembly at each of said first and second locations defines a slot to receive one of the loops, and means removably receivable in the loops passed through the slots to remain the loops to the frame at said locations.
Claim 4
Dependent Claim
34 words
The chair of claim 2 wherein said slot is defined by two spaced parallel bars at each of said first and second locations, and said means comprises dowels removably receivable endwise in the loops.
Claim 5
Dependent Claim
26 words
The chair of claim 1 wherein said seat sections are defined by fabric, and including seat defining rigid reinforcement means carried by said two seating sections.
Claim 6
Dependent Claim
31 words
The chair of claim 4 wherein said fabric defines a pocket at each of the first and second sections, the reinforcement comprising metallic structure in the pocket at the periphery thereof.
Claim 7
Dependent Claim
24 words
The chair of claim 4 wherein said third section is also defined by fabric integral with the fabric of the first and second sections.
Claim 8
Dependent Claim
21 words
The chair of claim 1 wherein the seat presenting seating sections are at two different elevations in said two chair positions.
Claim 9
Dependent Claim
74 words
The chair of claim 5 wherein said third sections adjacent one of said seating section extends at a first upright angle relative to the plane of said one section when said one seating section is in seating position, and said third section backrest extent adjacent the other of the seating sections extends at a second upright angle relative to the plane of the other section when said other seating section is in seating position.
Claim 10
Dependent Claim
52 words
The chair of claim 1 wherein the frame assembly is defined by two like endless tubular side frames each of which has four stretches and four corners defining a trapezoid, said two attachments connected with two successive stretches, respectively, said two successive stretches being alternately lowermost in said two chair positions, respectively.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-03 | 1980-02-02 | 1980-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-03 | 1984-02-02 | 1984-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-03 | 1988-02-02 | 1988-08-03 | $7700.00 | Window Closed / Lapsed |