07/26/1988
RPI 927
Publicação do pedido de patente
3.1
Invention PatentPI8706889
Air Liquide Brasil S.A+1
The letters patent expired on 07/29/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Publications in the Brazilian Industrial Property Gazette (RPI).
07/26/1988
RPI 927
3.1
04/12/1988
RPI 912
2.1
07/29/2008
RPI 1960
21.1
Patente extinta em 17/12/2002
01/12/1999
RPI 1462
25.4
Alterado de: Oxigênio do Brasil S.A.
10/25/1994
RPI 1247
16.1
08/16/1994
RPI 1237
13.1
04/19/1994
RPI 1220
9.1
04/06/1993
RPI 1166
7.1
10/09/1990
RPI 1036
4.1
From the same holder