Pedido de patente depositado
#2.1
08/08/1989
RPI 981
The letters patent expired on 11/20/2001: 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants
Duratex S/A
SP, BR
Inventors
P. G. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
08/08/1989
RPI 981
#21.1
Patente extinta em 22/06/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
05/31/1994
RPI 1226
#13.1
11/23/1993
RPI 1199
#9.1
07/06/1993
RPI 1179
#4.1
07/02/1991
RPI 1074
#3.1
04/30/1991
RPI 1065
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Same category
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