Publicação do pedido de patente
#3.1
11/28/1989
RPI 997
The letters patent expired on 09/25/2001: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
B. C. (pessoa física)
RJ, BR
Inventors
B. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/28/1989
RPI 997
#2.1
04/25/1989
RPI 966
#21.1
Patente extinta em 27/04/98 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
03/30/1993
RPI 1165
#13.1
11/10/1992
RPI 1145
#9.1
06/23/1992
RPI 1125
#6.1
12/03/1991
RPI 1096
#4.1
08/14/1990
RPI 1028
Same category
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