Patent EP0381390A2 successfully refreshed from Google Patents.
US3715142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding high chair
Assignee: WGG & COMPANY Inc 2525 STATE ST COLUMBUS IN 47201 A IN CORP
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Filing: 1971-06-10
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Granted: 1973-02-06
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Expires: 1991-06-10
Abstract
Abstract A folding high chair in which the front and rear legs are swingably interconnected to each other and to a tray support. The seat is swingably connected to the front legs on a fixed axis and to the rear legs on a sliding axis, and the back rest is swingably connected to said seat and tray support. The front and rear legs are releasably locked in an extended diverging position with the seat and back rest generally normal to each other by a locking assembly carried from the seat.
Inventors
- 👤 R Lay
- 👤 O Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:16
CPC Classifications
A; A47; A47D; A47D1/00; A47D1/02; A47D1/023; A47C; A47C3/00; A47C3/02; A47C4/00; A47C4/04; A47C4/18; A47D1/008; A47D1/0085
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
189 words
A folding high chair, comprising a pair of front legs, a pair of rear legs, a tray support, means swingably interconnecting said front and rear legs to each other and to said tray support, a seat swingably interconnected to said front legs, a guide on said seat, a generally U-shaped slide on said rear legs, said slide having a pair of arms connected to said rear legs and a transverse bight swingably and longitudinally slidably carried in said guide against the bottom of said seat, a lock swingably mounted on said guide for releasably retaining said slide in a fixed position in said guide, said lock having a first portion projecting into said guide and a second portion projecting below said guide, and biasing means urging said first portion into a locked position to releasably retain said bight against one end of said guide, said second portion being manually manipulatable for swinging said first portion into an unlocked position whereby said bight is free to move along said guide, a back rest swingably interconnected to said seat and tray support, and a tray removably mountable on said tray support.
Claim 2
Dependent Claim
189 words
A folding high chair, comprising a pair of front legs, a pair of rear legs, a tray support, means swingably interconnecting said front and rear legs to each other and to said tray support, a seat swingably interconnected to said front legs, a guide on said seat, a generally U-shaped slide on said rear legs, said slide having a pair of arms connected to said rear legs and a transverse bight swingably and longitudinally slidably carried in said guide against the bottom of said seat, a lock swingably mounted on said guide for releasably retaining said slide in a fixed position in said guide, said lock having a first portion projecting into said guide and a second portion projecting below said guide, and biasing means urging said first portion into a locked position to releasably retain said bight against one end of said guide, said second portion being manually manipulatable for swinging said first portion into an unlocked position whereby said bight is free to move along said guide, a back rest swingably interconnected to said seat and tray support, and a tray removably mountable on said tray support.
Claim 3
Dependent Claim
189 words
A folding high chair, comprising a pair of front legs, a pair of rear legs, a tray support, means swingably interconnecting said front and rear legs to each other and to said tray support, a seat swingably interconnected to said front legs, a guide on said seat, a generally U-shaped slide on said rear legs, said slide having a pair of arms connected to said rear legs and a transverse bight swingably and longitudinally slidably carried in said guide against the bottom of said seat, a lock swingably mounted on said guide for releasably retaining said slide in a fixed position in said guide, said lock having a first portion projecting into said guide and a second portion projecting below said guide, and biasing means urging said first portion into a locked position to releasably retain said bight against one end of said guide, said second portion being manually manipulatable for swinging said first portion into an unlocked position whereby said bight is free to move along said guide, a back rest swingably interconnected to said seat and tray support, and a tray removably mountable on said tray support.
Claim 4
Dependent Claim
189 words
A folding high chair, comprising a pair of front legs, a pair of rear legs, a tray support, means swingably interconnecting said front and rear legs to each other and to said tray support, a seat swingably interconnected to said front legs, a guide on said seat, a generally U-shaped slide on said rear legs, said slide having a pair of arms connected to said rear legs and a transverse bight swingably and longitudinally slidably carried in said guide against the bottom of said seat, a lock swingably mounted on said guide for releasably retaining said slide in a fixed position in said guide, said lock having a first portion projecting into said guide and a second portion projecting below said guide, and biasing means urging said first portion into a locked position to releasably retain said bight against one end of said guide, said second portion being manually manipulatable for swinging said first portion into an unlocked position whereby said bight is free to move along said guide, a back rest swingably interconnected to said seat and tray support, and a tray removably mountable on said tray support.
Claim 5
Dependent Claim
40 words
A folding high chair as set forth in claim 2 with the addition that a finger projects outwardly from said lock for engagement with said guide to limit movement of said first portion of the lock toward its locked position.
Claim 6
Dependent Claim
44 words
A folding high chair as set forth in claim 2 in which said first portion releasably retains said bight in locked position against the rear of said guide and the bottom of said seat, and said first portion is angled rearwardly in said guide.
Claim 7
Dependent Claim
160 words
A folding high chair, comprising a pair of front legs, a pair of rear legs, a tray support, means swingably interconnecting seat front and rear legs to each other and to said tray support, a seat, a transverse bar fixedly connected to said seat with its ends swingably connected to said front legs for swingably interconnecting said seat and front legs, a guide comprising a yoke having a longitudinally extending runner disposed in spaced relation to said seat, said yoke having its forward end retained between said bar and seat and its opposite end fixedly connected to said seat, a back rest swingably connected to said tray support and said seat, a generally U-shaped bight on said rear legs swingably and longitudinally slidably carried in said guide against the bottom of said seat, a lock mounted on said runner for releasably retaining said slide against the rear portion of said yoke, and a tray removably mountable on said tray support.
Claim 8
Dependent Claim
160 words
A folding high chair, comprising a pair of front legs, a pair of rear legs, a tray support, means swingably interconnecting seat front and rear legs to each other and to said tray support, a seat, a transverse bar fixedly connected to said seat with its ends swingably connected to said front legs for swingably interconnecting said seat and front legs, a guide comprising a yoke having a longitudinally extending runner disposed in spaced relation to said seat, said yoke having its forward end retained between said bar and seat and its opposite end fixedly connected to said seat, a back rest swingably connected to said tray support and said seat, a generally U-shaped bight on said rear legs swingably and longitudinally slidably carried in said guide against the bottom of said seat, a lock mounted on said runner for releasably retaining said slide against the rear portion of said yoke, and a tray removably mountable on said tray 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) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |