Publicação do pedido de patente
#3.1
06/20/1989
RPI 974
The letters patent expired on 09/18/2001: 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: 06/20/1989. We update with every new RPI gazette, published weekly.
Applicants
W. S. (pessoa física)
RS, BR
Inventors
W. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
06/20/1989
RPI 974
#2.1
03/01/1988
RPI 906
#21.1
Patente extinta em 10/11/97 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
06/28/1994
RPI 1230
#13.1
01/18/1994
RPI 1207
#9.1
07/20/1993
RPI 1181
#6.1
01/26/1993
RPI 1156
#6.1
01/21/1992
RPI 1103
#4.1
03/26/1991
RPI 1060
Same category
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