Pedido de patente depositado
#2.1
10/31/1989
RPI 993
Application data
Number
PI8903678Type
Filing
Publication
The applicant withdrew the application. The case ended without a patent.
Talk to a specialistLatest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Nacional - CSN
RJ, BR
Instituto de Pesquisas Tecnológicas de São Paulo S/A - IPT
SP, BR
Inventors
P. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/31/1989
RPI 993
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RPI 1342
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