Solicitação de exame técnico
#4.1
11/03/1987
RPI 889
The letters patent expired on 09/17/1996: 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: 11/03/1987. We update with every new RPI gazette, published weekly.
Applicants
A. A. (pessoa física)
SP, BR
L. A. (pessoa física)
SP, BR
Inventors
A. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/03/1987
RPI 889
#3.2
08/04/1987
RPI 876
#2.1
03/31/1987
RPI 858
#21.1
09/17/1996
RPI 1346
#20.1
10/20/1992
RPI 1142
#15.11
03/26/1991
RPI 1060
#16.1
03/26/1991
RPI 1060
#13.1
11/13/1990
RPI 1041
#9.1
07/31/1990
RPI 1026
#6.1
02/13/1990
RPI 1006
From the same holder
Same category
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