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US4583753A Expired / Lapsed US ⏱️ 0.0 years remaining

Desk attachment for shopping cart

Assignee: Individual
•
Filing: 1984-07-19
•
Granted: 1986-04-22
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Expires: 2004-07-19
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Abstract

Abstract Stated in general terms, the present invention is directed to a desk apparatus attachable to a shopping cart for providing a stable surface supported at an angle convenient for viewing or writing by the shopper. The desk apparatus is supported by one or more walls of the shopping cart, especially the back wall, and is readily foldable or, alternatively, removable so as not to interfere with existing cart functions such as nesting or unloading. The desk platform has a hinged lid compartment for storing shopper's items such as coupons, lists, or the like.

Inventors

  • 👤 Charles G. Economy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 03:02
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/14; B62B3/1428

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 160 words
A desk attachment for a shopping cart having a rear compartment defined in part by front and rear walls and collapsible as between said front and rear walls, the desk attachment being readily removable from the cart by the shopper, said desk attachment comprising: a planar desk platform of a length sufficient to span said front and rear walls when the compartment is open; an enclosure within said desk platform; a lid attached to said desk platform and selectively operative to open or close said enclosure, said lid having an upper surface comprising a writing surface; and a hanger pivotably attached at one end of said platform and having hook means operative for readily disengagable and pivotable engagement with the top of one of said walls, said hanger being selectively movable into said enclosure of the desk platform when disengaged from said one wall, whereby the desk attachment is readily removed and carried by the shopper when leaving the store.
Claim 2
Dependent Claim 160 words
A desk attachment for a shopping cart having a rear compartment defined in part by front and rear walls and collapsible as between said front and rear walls, the desk attachment being readily removable from the cart by the shopper, said desk attachment comprising: a planar desk platform of a length sufficient to span said front and rear walls when the compartment is open; an enclosure within said desk platform; a lid attached to said desk platform and selectively operative to open or close said enclosure, said lid having an upper surface comprising a writing surface; and a hanger pivotably attached at one end of said platform and having hook means operative for readily disengagable and pivotable engagement with the top of one of said walls, said hanger being selectively movable into said enclosure of the desk platform when disengaged from said one wall, whereby the desk attachment is readily removed and carried by the shopper when leaving the store.
Claim 3
Dependent Claim 52 words
The desk attachment of claim 1 further comprising a magnet affixed to the underside of said platform in operative alignment with the top of the other said wall when the hook means engages the top of the one wall, so as to stabilize the desk attachment in place on the shopping cart.
Claim 4
Dependent Claim 79 words
The desk attachment of claim 1, wherein: said hanger is pivotally attached at said platform end and extends upwardly therefrom to place said hook means in position to engage and depend downwardly from the top of said one wall, so that said upper surface of said lid is maintained a selected distance below the top of said one wall, with the other end of said platform resting on the top of the other wall of the open rear compartment.
Claim 5
Dependent Claim 87 words
The desk attachment as in claim 1, wherein: said hanger is pivotally movable to either a first position placing said hook means within said enclosure, so that the hook means is contained within the enclosure when said lid is closed, or to a second position placing the hook means out of the enclosure and extending for said engagement with the top of said one wall, so that the desk attachment can be carried separated from the shopping cart with the hook means contained within the closed enclosure.
Claim 6
Dependent Claim 118 words
The desk attachment as in claim 4, wherein: said hanger in the second position extends upwardly from and proximately vertical in relation to said one end of the compartment; said hook means comprises at least one hook member positioned for readily removable fit over the top of said one wall as the hanger extends upwardly from the enclosure, and the other end of said desk platform rests on the top of the other wall of the shopping cart rear compartment when open; and said lid is operable to close said enclosure with the hanger in both the first and second positions, so that the lid can remain closed while the desk attachment is attached to a shopping cart.

References Cited (Backward Citations)

US2864189A Cited
US3215452A Cited
US4034539A Cited
US4156318A Cited
US4100684A Cited
US4356651A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-04-21 1989-10-21 1990-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-04-21 1993-10-21 1994-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-04-21 1997-10-21 1998-04-22 $7700.00 Window Closed / Lapsed

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