Patent US3772994A successfully refreshed from Google Patents.
US3772994A
Expired / Lapsed
US
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Shopping cart control system
Assignee: Individual
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Filing: 1972-03-13
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Granted: 1973-11-20
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Expires: 1992-03-13
Abstract
Abstract A shopping cart control system for preventing the theft of shopping carts in which a track mounted on the ground and extends from a store to the automobile parking area. The shopping cart is connected by a chain to a member slidably mounted in the track, but not removable therefrom whereby the shopping cart can only travel along a defined path. The over-all concept comprehends an attachment that lends itself to being mounted on shopping carts currently in use.
Inventors
- 👤 C Juarbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:57
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/04; B62B5/0404; B62B5/0423
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
100 words
A shopping cart control system for preventing the unauthorized removal of shopping carts from a designated area compriSing a shopping cart having rollers and a cross member, clamp means secured to said crossmember having a portion extending forwardly of said cross member, a tubular member mounted along said ground in said area, said tubular member having a longitudinal slot extending along its top wall, slidable means substantially larger than said slot slidably mounted within said tubular member and chain means connecting said slidable means and said extended portion whereby said shopping cart is prevented from being removed from said area.
Claim 2
Dependent Claim
100 words
A shopping cart control system for preventing the unauthorized removal of shopping carts from a designated area compriSing a shopping cart having rollers and a cross member, clamp means secured to said crossmember having a portion extending forwardly of said cross member, a tubular member mounted along said ground in said area, said tubular member having a longitudinal slot extending along its top wall, slidable means substantially larger than said slot slidably mounted within said tubular member and chain means connecting said slidable means and said extended portion whereby said shopping cart is prevented from being removed from said area.
Claim 3
Dependent Claim
16 words
The structure as recited by claim 1 wherein said slidable means comprises a substantially spherical member.
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) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |