Shopping cart provided with radio receiving apparatus

• US 3,157,871 A
• Filed: 03/21/1960
• Issued: 11/17/1964
• Est. Priority Date: 03/21/1960
• Status: Expired due to Term

• Current Assignee: Martin Umanoff
• Original Assignee: Martin Umanoff
• Inventors: MARTIN UMANOFF
• Application Number:
  US04/016,206
• Time in Patent Office: 1,702 Days
• US Class Current: 340/539.21
• CPC Class Codes: B62B 2501/065 Plastics
• CPC Class Codes: B62B 3/1408 Display devices mounted on it, e.g. advertisement displays
• CPC Class Codes: H04B 1/24 the receiver comprising at least one semiconductor device having three or more electrodes
• CPC Class Codes: H05K 11/00 Combinations of a radio or television receiver with apparatus having a different main function combined with clocks G04B47/00; controlled by a clock G04C21/28

Claims

11. FOR USE IN CONNECTION WITH A WHEELED SHOPPING CART INTENDED TO BE MOVED ABOUT FREELY WITHIN A PRESCRIBED SHOPPING AREA:

A LOCAL RADIO TRANSMITTER LOCATED WITHIN SAID AREA FOR BROADCASTING A SIGNAL OF PREDETERMINED FREQUENCY, AND A RADIO RECEIVING APPARATUS CARRIED BY SAID CART AND TUNED TO RECEIVE ONLY THE SIGNAL EMANATING FROM SAID TRANSMITTER, SAID SHOPPING CART HAVING AN ENCLOSURE ADAPTED TO CONTAIN SAID RADIO RECEIVING APPARATUS AND SAID ENCLOSURE INCLUDING MEANS PREVENTING READY ACCESS TO SAID RADIO RECEIVING APPARATUS.