Publicação do pedido de patente
#3.1
05/31/1988
RPI 919
Application data
Number
PI8604870Type
Filing
Publication
The letters patent expired on 07/22/2008: 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
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
C. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/31/1988
RPI 919
#2.1
04/07/1987
RPI 859
#21.1
Patente extinta em 07/10/2001
07/22/2008
RPI 1959
#16.1
10/27/1992
RPI 1143
#13.1
04/14/1992
RPI 1115
#9.1
11/26/1991
RPI 1095
#4.1
05/01/1990
RPI 1016
02/13/1990
RPI 1006
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Same category
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