Anuidade - prazo legal encerrado
#18.2
09/26/1989
RPI 988
The patent was granted on 04/26/1988 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
XENJI CHENG [BR]
Inventors
C. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#18.2
09/26/1989
RPI 988
#16.1
04/26/1988
RPI 914
#13.1
01/26/1988
RPI 901
#9.1
09/08/1987
RPI 881
#4.1
12/16/1986
RPI 843
#3.1
07/08/1986
RPI 820
#2.1
03/26/1985
RPI 753
Same category
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