Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8304235Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
F. B. (pessoa física)
RJ, BR
Inventors
F. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
06/06/1989
RPI 972
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02/08/1989
RPI 955
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08/30/1988
RPI 932
#4.1
06/02/1987
RPI 867
#3.1
03/19/1985
RPI 752
#2.1
10/18/1983
RPI 678
#21.1
Patente extinta em 08/08/98
07/01/2008
RPI 1956
From the same holder
Same category
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