Pedido de licença compulsória
#20.1
02/28/1989
RPI 958
Application data
Number
PI8100483Type
Filing
Publication
The patent was granted on 10/29/1986 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
KOPPERS CO INC
Inventors
B. J. (pessoa física)
F. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
02/28/1989
RPI 958
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10/29/1986
RPI 836
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RPI 805
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01/15/1985
RPI 743
#4.1
05/18/1982
RPI 604
#3.1
01/12/1982
RPI 586
#18.2
06/20/1995
RPI 1281
From the same holder
Same category
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