Publicação do pedido de patente
#3.1
05/31/1988
RPI 919
Application data
Number
PI8705736Type
Filing
Publication
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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
S. L. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/31/1988
RPI 919
#2.1
02/23/1988
RPI 905
#21.1
Patente extinta em 28/10/2002
07/29/2008
RPI 1960
#16.1
01/30/1996
RPI 1313
#13.1
11/07/1995
RPI 1301
#9.1
06/27/1995
RPI 1282
#6.1
02/08/1994
RPI 1210
#4.1
12/26/1990
RPI 1047
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