Solicitação de exame técnico
#4.1
04/28/1987
RPI 862
Application data
Number
PI8506624Type
Filing
Publication
The patent was granted on 06/26/1990 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: 04/28/1987. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica de Tubarão S/A - CST
ES, BR
Inventors
A. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/28/1987
RPI 862
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02/17/1987
RPI 852
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04/22/1986
RPI 809
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03/10/1992
RPI 1110
#16.1
06/26/1990
RPI 1024
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01/02/1990
RPI 1000
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Same category
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