Patents
US 7920062 B1: Shopping cart
- Granted
- 2011-04-05
- Filed
- 2007-05-22 application 11805315
- Type
- Utility · 22 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention teaches and discloses method and apparatus for alerting a grocery store check out cashier of merchandise placed on the bottom tray of a typical grocery shopping cart. A passive RFID transponder is incorporated into the structure of the cart which when interrogated by an associated reader, located at the cashier's check out station, responds with a signal verifying the presence, or absence, of an unseen item upon the carts bottom tray.
Source: PVGPATDIS, file of 2026-04-10 (ipg110405.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Evolution Robotics Retail, Inc. 4 patents | US company or organization | Pasadena, CA | EVOLUTION ROBOTICS RETAIL, INC. State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Rolf A. Konstad | Rancho Cordova, CA | 1 | PVGPATDIS, file of 2026-04-10 | |
| Jeffery W. Lawrence | Shingle Springs, CA | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A47F | Special furniture, fittings, or accessories for shops, storehouses, bars, restaurants or the like; paying counters | A47F9/045 | PVGPATDIS, file of 2026-04-10 |
| B62B | Hand-propelled vehicles, e.g. hand carts or perambulators; sledges | B62B3/1488 | PVGPATDIS, file of 2026-04-10 |
| G07F | Coin-freed or like apparatus | G07F7/02 | PVGPATDIS, file of 2026-04-10 |
| G07G | Registering the receipt of cash, valuables, or tokens | G07G1/0081 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2017-04-24 | Merger Merger | EVOLUTION ROBOTICS RETAIL, INC. signed 2012-05-31 | DATALOGIC ADC, INC. EUGENE, OR | 42131/262 | ECORSEXC, file of 2026-09-25 |
| 2010-08-20 | Assignment Assignment of assignor's interest | KONSTAD, ROLF signed 2007-04-06 CIRRUSTEC, INC. signed 2007-04-07 LAWRENCE, JEFFERY W signed 2007-04-07 | EVOLUTION ROBOTICS RETAIL, INC. PASADENA, CA | 24868/516 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.