Solicitação de exame técnico
#4.1
11/03/1987
RPI 889
Application data
Number
PI8601111Type
Filing
Publication
The patent was granted and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 11/03/1987. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica de Tubarão - Grupo Siderbrás
ES, BR
Inventors
Â. R. (pessoa física)
BR
A. R. (pessoa física)
BR
B. C. (pessoa física)
BR
F. N. (pessoa física)
BR
J. N. (pessoa física)
BR
T. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/03/1987
RPI 889
#3.1
09/08/1987
RPI 881
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08/26/1986
RPI 827
#15.1
09/17/1991
RPI 1085
05/29/1990
RPI 1020
#21.1
01/02/1990
RPI 1000
From the same holder
Same category
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