Pedido de patente depositado
#2.1
05/09/1989
RPI 968
Application data
Number
PI8901297Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 05/09/1989. We update with every new RPI gazette, published weekly.
Applicants
Britanite S/A Indústrias Químicas
PR, BR
Inventors
M. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/09/1989
RPI 968
#21.1
Patente extinta em 14/03/2004
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