120
10/17/1989
RPI 991
The application was refused on 06/26/1990 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Nacional - CSN
RJ, BR
Inventors
A. D. (pessoa física)
C. F. (pessoa física)
L. M. (pessoa física)
M. D. (pessoa física)
M. A. (pessoa física)
M. (pessoa física)
M. (pessoa física)
N. G. (pessoa física)
Pessoa física
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/17/1989
RPI 991
02/28/1989
RPI 958
#15.1
12/27/1988
RPI 949
06/21/1988
RPI 922
#12.2
06/09/1987
RPI 868
#9.2
02/17/1987
RPI 852
#7.1
07/08/1986
RPI 820
#4.1
02/26/1985
RPI 749
#3.1
12/06/1983
RPI 685
#3.2
10/25/1983
RPI 679
#2.1
06/15/1982
RPI 608
06/26/1990
RPI 1024
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Same category
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