Publicação do pedido de patente
#3.1
10/03/1989
RPI 989
Application data
Number
PI8801044Type
Filing
Publication
The patent was granted on 10/25/1994 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Nacional - CSN
RJ, BR
Inventors
P. J. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
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RPI 989
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