11/08/1988
RPI 942
Publicação do pedido de patente
3.1
Invention PatentPI8801523
Air Liquide Brasil S/A
The letters patent expired on 09/02/2008: 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: 11/08/1988. We update with every new RPI gazette, published weekly.
Publications in the Brazilian Industrial Property Gazette (RPI).
11/08/1988
RPI 942
3.1
07/19/1988
RPI 926
2.1
09/02/2008
RPI 1965
21.1
Patente extinta em 30/03/2003
01/21/1998
RPI 1413
25.4
08/27/1996
RPI 1343
16.1
06/18/1996
RPI 1333
13.1
12/05/1995
RPI 1305
9.1
03/01/1995
RPI 1265
6.1
11/13/1990
RPI 1041
4.1
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