Patent US3844577A successfully refreshed from Google Patents.
US3844577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shopping cart
Assignee: SUPERMARKET EQUIPMENT GROUP
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Filing: 1973-03-21
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Granted: 1974-10-29
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Expires: 1993-03-21
Abstract
Abstract A shopping cart comprising a housing which has an upper compartment for receiving the purchased articles and a lower compartment for receiving trolley means imparting mobility to the housing. The entire housing which defines the upper and lower compartments is made of a one-piece molded plastic member which is removably supportable by the trolley means.
Inventors
- 👤 M Wahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:06
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/14; B62B2501/00; B62B2501/06; B62B2501/065
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
100 words
A shopping cart comprising: a. a housing having an upper and lower compartment, b. said upper compartment having a front wall, a pair of opposite sidewalls and a bottom wall, c. said upper compartment bottom wall defining the top wall of said lower compartment, which lower compartment includes a front wall, a rear wall and a pair of sidewalls extending downwardly from said top wall, d. said housing being formed of a one-piece integrally molded part, e. trolley means, and f. cooperating means on said trolley means and said lower compartment for supporting and imparting mobility to said shopping cart.
Claim 2
Dependent Claim
100 words
A shopping cart comprising: a. a housing having an upper and lower compartment, b. said upper compartment having a front wall, a pair of opposite sidewalls and a bottom wall, c. said upper compartment bottom wall defining the top wall of said lower compartment, which lower compartment includes a front wall, a rear wall and a pair of sidewalls extending downwardly from said top wall, d. said housing being formed of a one-piece integrally molded part, e. trolley means, and f. cooperating means on said trolley means and said lower compartment for supporting and imparting mobility to said shopping cart.
Claim 3
Dependent Claim
33 words
A shopping cart in accordance with claim 1, wherein said cooperating means comprise upwardly extending portions on said trolley means adapted to be received within said lower compartment for movably supporting said housing.
Claim 4
Dependent Claim
18 words
A shopping cart in accordance with claim 1, wherein said trolley means are removably securable to said housing.
Claim 5
Dependent Claim
41 words
A shopping cart in accordance with claim 1, wherein there is provided a handle having opposite ends supported by said upper compartment sidewalls and a gate pivotally mounted between said handle ends to define a rear wall for said upper compartment.
Claim 6
Dependent Claim
40 words
A shopping cart in accordance with claim 4, wherein there is provided cooperating means on said gate and said bottom wall to define a stop for said gate in a position to define said rear wall for said upper compartment.
Claim 7
Dependent Claim
58 words
A shopping cart in accordance with claim 5, wherein said last mentioned cooperating means comprise at least one downwardly extending tab on said gate and, at least, one slot in said bottom wall in alignment with said tab, said slot being sufficiently wide to provide clearance for said tab when said gate is pivoted inwardly for nesting purposes.
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) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |