G - Physics – 09 – C
Patent
G - Physics
09
C
283/24
G09C 5/00 (2006.01) B41M 3/14 (2006.01) B42D 15/00 (2006.01) D21H 21/42 (2006.01) G06K 19/10 (2006.01) G07D 7/12 (2006.01)
Patent
CA 1151225
Security Filament As Protection Against Fraud ABSTRACT OF THE DISCLOSURE The invention relates to a security filament to protect against forgery of bank notes, securities, permit cards, identity cards and passports, whereby the safety thread has a cross-sectional shape by which it can be identified optically and is provided with structural features on its surface which extend in- variably over the length of the thread. AG 1700
374368
Kirstein Fritz
von Kempski Walter
Agfa-Gevaert Aktiengesellschaft
Fetherstonhaugh & Co.
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