Pedido de patente depositado
#2.1
05/23/1989
RPI 970
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: 05/23/1989. We update with every new RPI gazette, published weekly.
Applicants
Polierg Indústria e Comércio Ltda
SP, BR
Inventors
Y. O. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 14/10/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
08/31/1993
RPI 1187
#9.1
03/23/1993
RPI 1164
#6.1
12/03/1991
RPI 1096
#4.1
08/21/1990
RPI 1029
#3.1
06/05/1990
RPI 1021
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Same category
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