Solicitação de exame técnico
#4.1
02/24/1987
RPI 853
The letters patent expired on 07/15/2008: 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: 02/24/1987. We update with every new RPI gazette, published weekly.
Applicants
G. B. (pessoa física)
ES
Laforest, S.A.
ES
Inventors
G. B. (pessoa física)
ES
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/24/1987
RPI 853
#2.1
04/23/1985
RPI 757
#21.1
Patente extinta em 25/01/2000
07/15/2008
RPI 1958
#16.1
05/28/1991
RPI 1069
#13.1
02/26/1991
RPI 1056
#9.1
11/13/1990
RPI 1041
#6.1
05/22/1990
RPI 1019
Same category
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