21.4
09/02/1986
RPI 828
The patent was granted and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 09/02/1986. We update with every new RPI gazette, published weekly.
Applicants
C. J. (pessoa física)
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
09/02/1986
RPI 828
#21.1
07/15/1986
RPI 821
09/08/1982
RPI 620
#12.1
03/02/1982
RPI 593
11/17/1981
RPI 578
#13.1
11/03/1981
RPI 576
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