Pedido de patente depositado
#2.1
04/25/1989
RPI 966
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: 04/25/1989. 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
04/25/1989
RPI 966
#21.1
Patente extinta em 09/03/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
06/28/1994
RPI 1230
#13.1
02/08/1994
RPI 1210
#9.1
07/27/1993
RPI 1182
#4.1
04/09/1991
RPI 1062
#3.1
12/04/1990
RPI 1044
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Same category
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