Anuidade - prazo legal encerrado
#18.2
09/26/1989
RPI 988
The patent was granted on 11/27/1984 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
KOPPERS CO INC
Inventors
V. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#18.2
09/26/1989
RPI 988
#16.1
11/27/1984
RPI 736
#13.1
09/04/1984
RPI 724
#9.1
05/08/1984
RPI 707
#6.1
11/08/1983
RPI 681
#4.1
04/27/1982
RPI 601
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