Patent US5683446A successfully refreshed from Google Patents.
Patent US5338094A successfully refreshed from Google Patents.
US5338094A
Expired / Lapsed
US
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Flexible reclining chair
Assignee: DEPERRY SHEILA H
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Filing: 1993-09-14
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Granted: 1994-08-16
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Expires: 2013-09-14
Abstract
Abstract An improved reclining chair has a continuous loop seat frame supported at each arm by a support fork. The seat frame loop extends symmetrically from an upper bearing portion around the seat back, then forward forming arm portions, then downward, then rearward along lateral side portions, then upward and around the seat back to a lower bearing surface. The seat back is pivotally attached to the upper bearing portion and the lower bearing portion.
Inventors
- 👤 Charles O. Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:30
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/031; A47C1/032; A47C1/03255; A47C1/03261; A47C1/03277; A47C3/00; A47C3/02; A47C3/021; A47C3/023; A47C3/04; A47C7/00; A47C7/36; A47C7/40; A47C7/44; A47C7/445
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
133 words
A flexible frame for a chair having a seat back and a seat bottom, comprising; a seat frame forming a substantially continuous loop symmetrically about the chair beginning from an upper bearing portion then forwardly along arm portions then downwardly then rearwardly along lateral side portions to a lower bearing portion, said seat back being pivotally attached to the seat frame at both the upper bearing portion and the lower bearing portion, said seat bottom being attached to the seat frame between the lateral side portions; and a support frame comprising a pair of parallel support members formed generally into a u-shape and connected to each other at a bottom of the u-shape, each of the support members being pivotally attached at each end thereof to the seat frame at respective arm portions.
Claim 2
Dependent Claim
133 words
A flexible frame for a chair having a seat back and a seat bottom, comprising; a seat frame forming a substantially continuous loop symmetrically about the chair beginning from an upper bearing portion then forwardly along arm portions then downwardly then rearwardly along lateral side portions to a lower bearing portion, said seat back being pivotally attached to the seat frame at both the upper bearing portion and the lower bearing portion, said seat bottom being attached to the seat frame between the lateral side portions; and a support frame comprising a pair of parallel support members formed generally into a u-shape and connected to each other at a bottom of the u-shape, each of the support members being pivotally attached at each end thereof to the seat frame at respective arm portions.
Claim 3
Dependent Claim
120 words
A flexible chair, comprising: a seat frame forming a substantially continuous loop symmetrically about the chair beginning from an upper bearing portion then forwardly along arm portions then downwardly then rearwardly along lateral side portions to a lower bearing portion; a seat back pivotally attached to the seat frame at both the upper bearing portion and the lower bearing portion, a seat bottom attached between the lateral side portions of the seat frame; and a support frame comprising a pair of parallel support members formed generally into a u-shape and connected to each other at a bottom of the u-shape, each of the support members being pivotally attached at each end thereof to the seat frame at respective arm portions.
Claim 4
Dependent Claim
120 words
A flexible chair, comprising: a seat frame forming a substantially continuous loop symmetrically about the chair beginning from an upper bearing portion then forwardly along arm portions then downwardly then rearwardly along lateral side portions to a lower bearing portion; a seat back pivotally attached to the seat frame at both the upper bearing portion and the lower bearing portion, a seat bottom attached between the lateral side portions of the seat frame; and a support frame comprising a pair of parallel support members formed generally into a u-shape and connected to each other at a bottom of the u-shape, each of the support members being pivotally attached at each end thereof to the seat frame at respective arm portions.
Claim 5
Dependent Claim
48 words
The flexible chair of claim 2, wherein the seat back is curved, and wherein the upper bearing section has a radius of curvature less than that of the seat back, and wherein the lower bearing surface has a radius of curvature less than that of the seat back.
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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) | 1997-08-15 | 1998-02-14 | 1998-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-08-15 | 2002-02-14 | 2002-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-08-15 | 2006-02-14 | 2006-08-16 | $7700.00 | Window Closed / Lapsed |