Patent US4025083A successfully refreshed from Google Patents.
US4025083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baby walker
Assignee: Graco Childrens Products Inc
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Filing: 1975-09-23
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Granted: 1977-05-24
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Expires: 1995-09-23
Abstract
Abstract A baby walker is disclosed which has a tray with an opening within which the baby is seated, the tray having a seat supported thereby below the opening, the tray being supported from a base frame by foldable legs, the base frame in turn being carried on casters.
Inventors
- 👤 David Saint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:45
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/04; A47D13/043; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32409
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
163 words
A baby walker comprising a tray having an opening and a seat below said opening, lug means on said tray, a base frame, and legs for supporting said tray from said base frame, said legs each having an upper leg portion pivotally readily detachably connected by pivots to said lug means and including a central plate engaged by abutments carried on said tray thereby restraining the tray from transverse movement, a lower leg portion pivotally detachably connected at its upper end to said upper leg portion, pivotally connected at its lower end to said base frame and with a projection for engagement in said central plate to restrain sidewise movement in locked condition, a resilient locking tongue carried by said lower leg portion for releasably engagement with said central plate for normally retaining said upper and lower leg portions in extended and supporting relation but permitting folding of said legs and movement of said base frame in closely spaced relation to said tray.
Claim 2
Dependent Claim
163 words
A baby walker comprising a tray having an opening and a seat below said opening, lug means on said tray, a base frame, and legs for supporting said tray from said base frame, said legs each having an upper leg portion pivotally readily detachably connected by pivots to said lug means and including a central plate engaged by abutments carried on said tray thereby restraining the tray from transverse movement, a lower leg portion pivotally detachably connected at its upper end to said upper leg portion, pivotally connected at its lower end to said base frame and with a projection for engagement in said central plate to restrain sidewise movement in locked condition, a resilient locking tongue carried by said lower leg portion for releasably engagement with said central plate for normally retaining said upper and lower leg portions in extended and supporting relation but permitting folding of said legs and movement of said base frame in closely spaced relation to said tray.
Claim 3
Dependent Claim
18 words
A baby walker as defined in claim 1 in which said legs are of molded synthetic plastic material.
Claim 4
Dependent Claim
24 words
A baby walker as defined in claim 1 in which said upper leg portions are connected to said tray by axially resiliently supported pivots.
Claim 5
Dependent Claim
26 words
A baby walker as defined in claim 1 in which said upper leg portions are connected to said lower leg portions by axially resiliently supported pivots.
Claim 6
Dependent Claim
27 words
A baby walker as defined in claim 1 in which said base frame is of molded synthetic plastic material and is supported by a plurality of casters.
Claim 7
Dependent Claim
26 words
A baby walker as defined in claim 1 in which said base frame has sockets in which coupling portions of said lower leg portions are received.
Claim 8
Dependent Claim
58 words
A baby walker as defined in claim 6 in which said upper leg pivots are resiliently mounted for snapping into engagement with said tray lug portions, said upper leg pivots are resiliently mounted for snapping into engagement with said lower leg pivots, and said sockets have resilient portions for the reception and retention of said lower leg portions.
Claim 9
Dependent Claim
32 words
A baby walker as defined in claim 1 in which said lug means includes lug portions on the lower part thereof providing part of the pivotal connections for said upper leg portions.
Claim 10
Dependent Claim
18 words
A baby walker as defined in claim 1 in which said tray is of molded synthetic plastic material.
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) | 1980-05-23 | 1980-11-22 | 1981-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-23 | 1984-11-22 | 1985-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-23 | 1988-11-22 | 1989-05-24 | $7700.00 | Window Closed / Lapsed |