(19)
(11) EP 0 448 383 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.11.1991 Bulletin 1991/46

(43) Date of publication A2:
25.09.1991 Bulletin 1991/39

(21) Application number: 91302442.8

(22) Date of filing: 20.03.1991
(51) International Patent Classification (IPC)5G07C 1/30
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB IT LI LU NL SE

(30) Priority: 20.03.1990 GB 9006233

(71) Applicants:
  • KENRICK & JEFFERSON LIMITED
    West Bromwich, West Midlands B70 8NB (GB)
  • LANGDALE SYSTEMS LIMITED
    Swindon, Wiltshire, SN3 5HY (GB)

(72) Inventors:
  • Sedgwick, Anthony
    Marlborough, Wiltshire, SN8 4LF (GB)
  • Hackwood, Roger
    Hales Owen, West Midlands B63 1DX (GB)
  • Peach, David
    Olney, Buckinghamshire, MK46 5PT (GB)
  • Hartill, Roger
    Hales Owen, West Midlands, B63 1HH (GB)

(74) Representative: Fry, Alan Valentine et al
FRY HEATH & SPENCE The Old College 53 High Street
Horley Surrey RH6 7BN
Horley Surrey RH6 7BN (GB)


(56) References cited: : 
   
       


    (54) Improvements in and relating to vouchers particulary for the control of parked vehicles


    (57) A prepaid parking voucher (1) printed with a plurality of discrete time-indicating areas, the voucher being printed on a self-manifolding material such that rubbing or other application of pressure to a time-indicating area produces within that area an irreversible colour change.







    Search report