Concessão da patente
#16.1
12/30/1986
RPI 845
Application data
Number
PI8108169Type
Filing
Publication
The patent was granted on 12/30/1986 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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
C. N. (pessoa física)
RJ, BR
Companhia Siderúrgica Nacional - CSN
RJ, BR
Inventors
C. M. (pessoa física)
L. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/30/1986
RPI 845
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08/12/1986
RPI 825
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RPI 777
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03/05/1985
RPI 750
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09/20/1983
RPI 674
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02/09/1982
RPI 590
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03/19/1996
RPI 1320
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