Solicitação de exame técnico
#4.1
12/29/1987
RPI 897
The patent was granted on 08/27/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
D. P. (pessoa física)
SP, BR
Inventors
D. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/29/1987
RPI 897
#3.2
11/10/1987
RPI 890
#2.1
11/03/1987
RPI 889
#18.2
10/31/1995
RPI 1300
06/15/1993
RPI 1176
#17.1
03/24/1992
RPI 1112
#16.1
08/27/1991
RPI 1082
#9.1
02/26/1991
RPI 1056
Same category
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