Patent US4854638A successfully refreshed from Google Patents.
US4854638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable adjustable child's chair
Assignee: DOLLY Inc A CORP OF OH
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Filing: 1988-11-14
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Granted: 1989-08-08
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Expires: 2008-11-14
Abstract
Abstract A portable adjustable child's chair which may be converted into a booster seat or high chair. Removable seat and back panels permit both height and depth adjustment of the child's chair by selectively inserting the panels into one or another of a series of generally horizontal and generally vertical grooves in the side panels.
Inventors
- 👤 Kenneth N. Marcus
- 👤 Phillip L. Brookshire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:40
CPC Classifications
A; A47; A47D; A47D1/00; A47D1/10; A47D1/103; Y; Y10; Y10S; Y10S297/00; Y10S297/02
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
135 words
A portable adjustable child's chair, comprising: (a) a seat panel; (b) a back panel; (c) two side panels having on their inner surfaces facing each other a plurality of generally horizontal grooves or channels to slidably receive said seat panel whereby said seat panel may be raised or lowered, said side panels further having on their inner surfaces facing each other a plurality of generally vertical grooves or channels to slidably receive said back panel, whereby said back panel location may be adjusted forward or rearward; and (d) a stable rigid frame which is formed in part from said side panels and which along with said seat panel and said back panel provides a body supporting feature, said stable rigid frame being self-supporting and free-standing, whereby said child's chair is readily portable and easily stored.
Claim 2
Dependent Claim
135 words
A portable adjustable child's chair, comprising: (a) a seat panel; (b) a back panel; (c) two side panels having on their inner surfaces facing each other a plurality of generally horizontal grooves or channels to slidably receive said seat panel whereby said seat panel may be raised or lowered, said side panels further having on their inner surfaces facing each other a plurality of generally vertical grooves or channels to slidably receive said back panel, whereby said back panel location may be adjusted forward or rearward; and (d) a stable rigid frame which is formed in part from said side panels and which along with said seat panel and said back panel provides a body supporting feature, said stable rigid frame being self-supporting and free-standing, whereby said child's chair is readily portable and easily stored.
Claim 3
Dependent Claim
20 words
A portable adjustable child's chair as recited in claim 1 wherein said back panel and said seat panel are contoured.
Claim 4
Dependent Claim
40 words
A portable adjustable child's chair as recited in claim 1 wherein said generally horizontal grooves or channels are angularly displaced to recline said seat panel and said generally vertical grooves or channels are angularly displaced to recline said back panel.
Claim 5
Dependent Claim
31 words
A portable adjustable child's chair as recited in claim 1 wherein said stable rigid frame includes a plurality of tubular supports and tie rods separating and interconnecting rigidly said side panels.
Claim 6
Dependent Claim
20 words
A portable child's chair as recited in claim 1 further comprising means for retaining the occupant in said child's chair.
Claim 7
Dependent Claim
21 words
A portable adjustable child's chair as recited in claim 5 wherein said means for retaining the occupant comprises a seat belt.
Claim 8
Dependent Claim
26 words
A portable adjustable child's chair as recited in claim 5 further comprising means for securely attaching said child's chair to an existing chair or other support.
Claim 9
Dependent Claim
26 words
A portable adjustable child's chair as recited in claim 1 further comprising means for securely attaching said child's chair to an existing chair or other support.
Claim 10
Dependent Claim
68 words
A portable adjustable child's chair as recited in claim 8 wherein said means for securely attaching said child's chair comprises multiple straps passing through said side panels said straps capable of being passed under around, or behind an existing chair or other support, each of said straps further having means for adjusting the length of said strap and having means for interconnecting the opposite ends of said strap.
Claim 11
Dependent Claim
26 words
A portable adjustable child's chair as recited in claim 1 further comprising: a serving tray; and means for removably attaching said tray to said child's chair.
Claim 12
Dependent Claim
31 words
A portable adjustable child's chair as recited in claim 10 wherein said means for removably attaching said tray consists of means of latching and supporting said tray on said side panels.
Claim 13
Dependent Claim
21 words
A portable adjustable child's chair as recited in claim 10 further comprising means for retaining the occupant in said child's chair.
Claim 14
Dependent Claim
26 words
A portable adjustable child's chair as recited in claim 10 further comprising means for securely attaching said child's chair to an existing chair or other support.
Claim 15
Dependent Claim
22 words
A portable adjustable child's chair as recited in claim 1 further comprising means to enhance contact of said chair with support surfaces.
Claim 16
Dependent Claim
36 words
A portable adjustable child's chair as recited in claim 14 wherein said means to enhance contact of said child's chair with support surfaces are soft, rubber feet attached to the bottom edges of said side panels.
Claim 17
Dependent Claim
100 words
A portable adjustable child's chair, comprising: (a) a contoured seat panel; (b) a contoured back panel; (c) two side panels having on their inner surfaces facing each other a plurality of generally horizontal grooves or channels to slidably receive said seat panel whereby said seat panel may be raised or lowered; and (d) a stable rigid frame which is formed in part from said side panels and which along with said seat panel and said back panel provides a body supporting feature, said stable rigid frame being self-supporting and free-standing, whereby said child's chair is readily portable and easily stored.
Claim 18
Dependent Claim
100 words
A portable adjustable child's chair, comprising: (a) a contoured seat panel; (b) a contoured back panel; (c) two side panels having on their inner surfaces facing each other a plurality of generally horizontal grooves or channels to slidably receive said seat panel whereby said seat panel may be raised or lowered; and (d) a stable rigid frame which is formed in part from said side panels and which along with said seat panel and said back panel provides a body supporting feature, said stable rigid frame being self-supporting and free-standing, whereby said child's chair is readily portable and easily stored.
Claim 19
Dependent Claim
24 words
The portable adjustable child's chair of claim 16 further comprising: a serving tray; and means for removably attaching said tray to said child's chair.
Claim 20
Dependent Claim
60 words
The portable adjustable child's chair of claim 17 wherein said side panels further have on their inner surfaces facing each a plurality of generally vertical grooves or channels to slidably receive said back panel, whereby said back panel location may be adjusted forward or rearward, said generally vertical grooves or channels also being angularly displaced to recline said back panel.
Claim 21
Dependent Claim
34 words
The portable adjustable child's chair of claim 17 further comprising means for retaining the occupant in said child's chair and means for securely attaching said child's chair to an existing chair or other support.
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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) | 1992-08-07 | 1993-02-06 | 1993-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-07 | 1997-02-06 | 1997-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-07 | 2001-02-06 | 2001-08-08 | $7700.00 | Window Closed / Lapsed |