131
06/20/1989
RPI 974
Application data
Number
PI8303613Type
Filing
Publication
The application was refused on 06/20/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 06/20/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Nacional - CSN
RJ, BR
Inventors
C. D. (pessoa física)
L. G. (pessoa física)
R. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/20/1989
RPI 974
#9.2
01/03/1989
RPI 950
#6.1
01/12/1988
RPI 899
#4.1
09/17/1985
RPI 778
#3.1
02/20/1985
RPI 748
#2.1
08/16/1983
RPI 669
From the same holder
Same category
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