Publicação do pedido de patente
#3.1
05/16/1989
RPI 969
Application data
Number
PI8805121Type
Filing
Publication
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: 05/16/1989. We update with every new RPI gazette, published weekly.
Applicants
Conoco Inc.
US
Inventors
A. H. (pessoa física)
US
R. Z. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/16/1989
RPI 969
#2.1
02/14/1989
RPI 956
#21.1
Patente extinta em 05/10/2003
09/02/2008
RPI 1965
#16.1
05/25/1993
RPI 1173
#13.1
04/06/1993
RPI 1166
#9.1
11/17/1992
RPI 1146
#4.1
08/13/1991
RPI 1080
From the same holder
Same category
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