US4968091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article useful as booster chair and as step stool
Assignee: Evenflo Co Inc
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Filing: 1989-08-02
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Granted: 1990-11-06
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Expires: 2009-08-02
Abstract
Abstract An article useful alternatively as a booster chair with a high back for a small child, in a first orientation, or as a step stool, in a second orientation. The article has a seat portion, a back portion, and two side portions. The seat, back, and side portions are molded from a polymeric material, as a single part, defining a seating cavity with a high back. The seating cavity is adapted to seat a small child in the first orientation. The single part also defines a step. The article is adapted to support a person on the step in the second orientation. The article is provided with two sets of skid-resistant feet, one set for each such orientation of the article.
Inventors
- 👤 John V. Mariol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:26
CPC Classifications
A; A47; A47C; A47C12/00; A47C12/02; A47D; A47D1/00; A47D1/10; A47D1/103
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
530 words
An article useful alternatively as a booster chair with a high back for a small child, in a first orientation of the article, and as a step stool for a child or an adult, in a second orientation of the article, the article being shaped so as to rest firmly and stably on a substantially horizontal surface in either orientation of the article; the article being shaped so as to have a seat portion and a back portion joined integrally to the seat portion, the seat and back portions defining a seating cavity, the seat portion extending generally horizontally and facing generally upwardly and the back portion extending generally vertically and facing generally frontwardly when the article is rested on a substantially horizontal surface in the first orientation of the article, the seat portion having a surface facing backwardly and downwardly and the back portion having a surface facing frontwardly and downwardly when the article is rested on a substantially horizontal surface in the second orientation of the article, the seating cavity being adapted to seat a small child when the article is rested on a substantially horizontal surface in the first orientation of the article, the seating cavity having a high back, which is adapted to support the back of a small child seated in the seating cavity; the article being shaped so as to define a step, the step extending substantially horizontally and having a surface facing substantially upwardly when the article is rested on a substantially horizontal surface in the second orientation of the article, the step surface facing downwardly and backwardly when the article is rested on a substantially horizontal surface in the first orientation of the article, the article being adapted to support a person on the step when the article is rested on a substantially horizontal surface in the second orientation of the article; the seat portion having an outer surface, which faces upwardly and frontwardly in the second orientation of the article, the back portion having an outer surface, which faces upwardly and backwardly in the second orientation of the article, said outer surfaces being generally planar and defining an angle with an apex where said outer surfaces would meet if extended; the step being interconnected with the outer surfaces of the seat portion to define in the second orientation of the article, a forwardly facing edge of the step where the step meets the outer surface of the seat portion, the step being interconnected with the outer surface of the back portion to define, in the second orientation of the article, a backwardly facing edge of the step where the step meets the outer surface of the back portion the step cutting across the apex of the angle defined by the outer surfaces of the seat and back portions and, the seat and back portions having their outer surfaces not higher than the step in the second orientation of the article so as to permit a person to step either edge of the step, in mounting the step or demounting therefrom, without having to step over any portion of the article higher than the step in the second orientation of the article.
Claim 2
Dependent Claim
530 words
An article useful alternatively as a booster chair with a high back for a small child, in a first orientation of the article, and as a step stool for a child or an adult, in a second orientation of the article, the article being shaped so as to rest firmly and stably on a substantially horizontal surface in either orientation of the article; the article being shaped so as to have a seat portion and a back portion joined integrally to the seat portion, the seat and back portions defining a seating cavity, the seat portion extending generally horizontally and facing generally upwardly and the back portion extending generally vertically and facing generally frontwardly when the article is rested on a substantially horizontal surface in the first orientation of the article, the seat portion having a surface facing backwardly and downwardly and the back portion having a surface facing frontwardly and downwardly when the article is rested on a substantially horizontal surface in the second orientation of the article, the seating cavity being adapted to seat a small child when the article is rested on a substantially horizontal surface in the first orientation of the article, the seating cavity having a high back, which is adapted to support the back of a small child seated in the seating cavity; the article being shaped so as to define a step, the step extending substantially horizontally and having a surface facing substantially upwardly when the article is rested on a substantially horizontal surface in the second orientation of the article, the step surface facing downwardly and backwardly when the article is rested on a substantially horizontal surface in the first orientation of the article, the article being adapted to support a person on the step when the article is rested on a substantially horizontal surface in the second orientation of the article; the seat portion having an outer surface, which faces upwardly and frontwardly in the second orientation of the article, the back portion having an outer surface, which faces upwardly and backwardly in the second orientation of the article, said outer surfaces being generally planar and defining an angle with an apex where said outer surfaces would meet if extended; the step being interconnected with the outer surfaces of the seat portion to define in the second orientation of the article, a forwardly facing edge of the step where the step meets the outer surface of the seat portion, the step being interconnected with the outer surface of the back portion to define, in the second orientation of the article, a backwardly facing edge of the step where the step meets the outer surface of the back portion the step cutting across the apex of the angle defined by the outer surfaces of the seat and back portions and, the seat and back portions having their outer surfaces not higher than the step in the second orientation of the article so as to permit a person to step either edge of the step, in mounting the step or demounting therefrom, without having to step over any portion of the article higher than the step in the second orientation of the article.
Claim 3
Dependent Claim
25 words
The article of claim 1 wherein the seat and back portions are molded from a polymeric material, as a single piece, which defines the step.
Claim 4
Dependent Claim
521 words
An article useful alternatively as a booster chair for a small child, in a first orientation of the article, and as a step stool for a child or an adult, in a second orientation of the article, the article being shaped so as to rest firmly and stably on a substantially horizontal surface in either orientation of the article; the article being shaped so as to have a seat portion, a back portion joined integrally to the seat portion, and two side portions joined integrally to the seat and back portions, the seat, back, and side portions defining a seating cavity, the seat portion extending generally horizontally and facing generally upwardly and the back portion extending generally vertically and facing generally frontwardly when the article is rested on a substantially horizontal surface in the first orientation of the article, the seat portion having a surface facing backwardly and downwardly and the back portion having a surface facing frontwardly and downwardly when the article is rested on such a substantially horizontal surface in the second orientation of the article, the seating cavity being adapted to seat a small child at an elevation above a substantially horizontal surface when the article is rested thereon in the first orientation of the article; the article being shaped so as to define a step, the step extending substantially horizontally and having a surface facing substantially upwardly when the article is rested on a substantially horizontally surface in the second orientation of the article, the step surface facing downwardly and backwardly when the article is rested on a substantially horizontal surface in the first orientation of the article, the article being adapted to support a person on the step when the article is rested on a substantially horizontal surface in the second orientation of the article; the seat portion having an outer surface, which faces upwardly and frontwardly in the second orientation of the article, the back portion having an outer surface, which faces upwardly and backwardly in the second orientation of the article, said outer surfaces being generally planar and defining an angle with an apex where said outer surfaces would meet if extended; the step being interconnected with the outer surface of the seat portion to define, in the second orientation of the article, a forwardly facing edge of the step where the step meets the outer surface of the seat portion, the step being interconnected with the outer surface of the back portion to define, in the second orientation of the article, a backwardly facing edge of the step where the step meets the outer surface of the back portion, the step cutting across the apex of the angle defined by the outer surfaces of the seat and back portions and the seat and back portions having their outer surfaces not higher than the step in the second orientation of the article so as to permit a person to step across either edge of the step, in mounting the step or demounting therefrom, without having to step over any portion of the article higher than the step in the second orientation of the article.
Claim 5
Dependent Claim
521 words
An article useful alternatively as a booster chair for a small child, in a first orientation of the article, and as a step stool for a child or an adult, in a second orientation of the article, the article being shaped so as to rest firmly and stably on a substantially horizontal surface in either orientation of the article; the article being shaped so as to have a seat portion, a back portion joined integrally to the seat portion, and two side portions joined integrally to the seat and back portions, the seat, back, and side portions defining a seating cavity, the seat portion extending generally horizontally and facing generally upwardly and the back portion extending generally vertically and facing generally frontwardly when the article is rested on a substantially horizontal surface in the first orientation of the article, the seat portion having a surface facing backwardly and downwardly and the back portion having a surface facing frontwardly and downwardly when the article is rested on such a substantially horizontal surface in the second orientation of the article, the seating cavity being adapted to seat a small child at an elevation above a substantially horizontal surface when the article is rested thereon in the first orientation of the article; the article being shaped so as to define a step, the step extending substantially horizontally and having a surface facing substantially upwardly when the article is rested on a substantially horizontally surface in the second orientation of the article, the step surface facing downwardly and backwardly when the article is rested on a substantially horizontal surface in the first orientation of the article, the article being adapted to support a person on the step when the article is rested on a substantially horizontal surface in the second orientation of the article; the seat portion having an outer surface, which faces upwardly and frontwardly in the second orientation of the article, the back portion having an outer surface, which faces upwardly and backwardly in the second orientation of the article, said outer surfaces being generally planar and defining an angle with an apex where said outer surfaces would meet if extended; the step being interconnected with the outer surface of the seat portion to define, in the second orientation of the article, a forwardly facing edge of the step where the step meets the outer surface of the seat portion, the step being interconnected with the outer surface of the back portion to define, in the second orientation of the article, a backwardly facing edge of the step where the step meets the outer surface of the back portion, the step cutting across the apex of the angle defined by the outer surfaces of the seat and back portions and the seat and back portions having their outer surfaces not higher than the step in the second orientation of the article so as to permit a person to step across either edge of the step, in mounting the step or demounting therefrom, without having to step over any portion of the article higher than the step in the second orientation of the article.
Claim 6
Dependent Claim
32 words
The article of claim 3, wherein the side portions define two side edges of the step and have parts that extend upwardly from the step in the second orientation of the article.
Claim 7
Dependent Claim
26 words
The article of claim 3 wherein the seat, back, and side portions are molded from a polymeric material, as a single piece, which defines the step.
Claim 8
Dependent Claim
32 words
The article of claim 5 wherein the side portions define two side edges of the step and have parts that extend upwardly from the step in the second orientation of the article.
Claim 9
Dependent Claim
53 words
The article of claim 6 as provided with a first set of skid-resistant feet, which are adapted to engage a substantially horizontal surface in the first orientation of the article, and with a second set of skid-resistant feet, which are adapted to engage such a surface in the second orientation of the article.
Claim 10
Dependent Claim
35 words
The article of claim 3 as provided with at least one set of skid-resistant feet, which are adapted to engage a substantially horizontal surface in one of said first and second orientations of the article.
Claim 11
Dependent Claim
52 words
The article of claim 3 as provided with a first set of skid-resistant feet, which are adapted to engage a substantially horizontal surface in the first orientation of the article, and with a second set of skid-resistant feet, which are adapted engage such a surface in the second orientation of the article.
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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) | 1993-11-05 | 1994-05-07 | 1994-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-11-05 | 1998-05-07 | 1998-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-11-05 | 2002-05-07 | 2002-11-06 | $7700.00 | Window Closed / Lapsed |