Concessão da patente
#16.1
11/28/1989
RPI 997
The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)
MG, BR
Inventors
A. B. (pessoa física)
BR
J. D. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/28/1989
RPI 997
#13.1
09/05/1989
RPI 985
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05/02/1989
RPI 967
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08/23/1988
RPI 931
#3.1
04/12/1988
RPI 912
#2.1
04/22/1987
RPI 861
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11/14/1995
RPI 1302
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