20.4
02/21/1989
RPI 957
The patent was granted on 08/31/1982 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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
P. R. (pessoa física)
Inventors
P. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/21/1989
RPI 957
#20.1
03/22/1988
RPI 909
#16.1
08/31/1982
RPI 619
#13.1
01/26/1982
RPI 588
#18.2
10/23/1990
RPI 1038
From the same holder
Same category
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