Concessão da patente
#16.1
06/30/1987
RPI 871
The letters patent expired on 12/07/1993: 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
JOSE INACIO ZANON [BR]
Inventors
Z. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
11/04/1986
RPI 837
#9.1
07/08/1986
RPI 820
#4.1
07/02/1985
RPI 767
#3.1
03/05/1985
RPI 750
#2.1
10/04/1983
RPI 676
#21.1
12/07/1993
RPI 1201
Same category
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