Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8506489Type
Filing
Publication
The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica de Tubarão S/A - CST
ES, BR
Inventors
A. F. (pessoa física)
BR
C. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
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03/28/1989
RPI 962
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RPI 872
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03/18/1986
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03/10/1992
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