20.4
06/16/1987
RPI 869
The patent was granted on 12/31/1985 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: 06/16/1987. We update with every new RPI gazette, published weekly.
Applicants
PRETAL PRODUTOS ELETRICOS ALVO [BR]
Inventors
M. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/16/1987
RPI 869
#16.1
12/31/1985
RPI 793
#13.1
10/22/1985
RPI 783
#9.1
07/02/1985
RPI 767
#4.1
01/17/1984
RPI 691
#3.2
11/01/1983
RPI 680
#2.1
05/03/1983
RPI 654
#18.2
10/02/1990
RPI 1035
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