Concessão da patente
#16.1
05/30/1989
RPI 971
Application data
Number
PI8204993Type
Filing
Publication
The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
Instituto Poligrafico
IT
I. S. (pessoa física)
IT
Inventors
N. I. (pessoa física)
IT
IPC Classification
Priority claims
IT
49 182 A 81 · 08/27/1981
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