Pedido de patente depositado
#2.1
11/08/1988
RPI 942
Application data
Number
PI8802978Type
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: 11/08/1988. We update with every new RPI gazette, published weekly.
Applicants
Castrol Brasil Ltda.
RJ, BR
Inventors
G. R. (pessoa física)
BR
M. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/08/1988
RPI 942
#21.1
Patente extinta em 17/06/2003
09/02/2008
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