Retificação
#15.6
10/11/1988
RPI 938
Application data
Number
PI8500929Type
Filing
Publication
The patent was granted on 11/30/1993 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: 10/11/1988. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - Usiminas
MG, BR
Usinas Siderúrgicas de Minas Gerais S/A-Usiminas (Grupo Siderbrás)
MG, BR
Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)
MG, BR
Inventors
E. A. (pessoa física)
BR
E. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#15.6
10/11/1988
RPI 938
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RPI 1200
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RPI 1182
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RPI 1166
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RPI 1143
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RPI 1080
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RPI 1071
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04/09/1991
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