Printing – Special article machines – Bed and platen
Patent
1975-10-24
1977-06-14
Crowder, Clifford D.
Printing
Special article machines
Bed and platen
101DIG3, 49 31, 49 49, 49263, 194DIG23, B41F 1700
Patent
active
040290077
ABSTRACT:
An automatic date-stamping system for vehicles entering a parking area for a relatively long period of time, i.e., for more than one day rather than several hours, so that the accumulated charges of the parking costs at the time of leaving, are easily and reliably determinable. The date is stamped automatically on the side-wall of a tire of the vehicle in invisible ink, so as not to mar the appearance of the vehicle, before the blocking and/or signalling means are operated to permit entry of the vehicle into the parking area. Exposure of the date-imprint to ultra-violet light or other rays to which the printing ink is responsive, renders it visible for reading at the time of leaving the parking area, or before that time, if such is necessary.
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patent: 3080813 (1963-03-01), Staub et al.
patent: 3589280 (1971-06-01), Wilde
patent: 3688690 (1972-09-01), Gabbrielli
Heinerichs Donald W.
Levinson Armand L.
Ruck George
Crowder Clifford D.
Lebowitz Samuel
Levinson Armand L.
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