Patents Assigned to P.I.D. Patents and Inventions Development Limited
  • Parking cards
    Patent number: 3966232
    Abstract: Parking cards for displaying prepaid parking time periods. The card is in the form of a strip of tearable material having month, day and hour indicia printed on separate areas thereof, each of the indicia areas being formed with tear lines enabling the user to tear away a part of the card along selected tear lines to identify the month, day and expiration hour of the prepaid parking time period, this tearing away producing a readily-discernible irreversible alteration in the card.
    Type: Grant
    Filed: December 30, 1971
    Date of Patent: June 29, 1976
    Assignee: P.I.D. Patents and Inventions Development Limited
    Inventor: Joseph Doriel