Publicação do pedido de patente
#3.1
03/14/1989
RPI 960
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: 03/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Porcelana Schmidt S/A
PR, BR
Inventors
W. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/14/1989
RPI 960
#2.1
12/29/1987
RPI 897
#21.1
Patente extinta em 13/08/97 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
08/04/1992
RPI 1131
#13.1
02/04/1992
RPI 1105
#15.11
10/22/1991
RPI 1090
#9.1
10/01/1991
RPI 1087
#6.1
04/09/1991
RPI 1062
#4.1
04/24/1990
RPI 1015
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