Solicitação de exame técnico
#4.1
01/31/1989
RPI 954
The letters patent expired on 12/31/1996: 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: 01/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Viação Itapemirim S/A
ES, BR
Inventors
R. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/31/1989
RPI 954
#3.1
06/21/1988
RPI 922
#2.1
05/05/1987
RPI 863
#21.1
12/31/1996
RPI 1361
#22.1
03/17/1992
RPI 1111
#16.1
02/13/1991
RPI 1054
#13.1
09/25/1990
RPI 1034
#9.1
06/12/1990
RPI 1022
From the same holder
Same category
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