Concessão da patente
#16.1
05/28/1985
RPI 762
Application data
Number
PI8006475Type
Filing
Publication
The letters patent expired on 11/14/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 05/28/1985. We update with every new RPI gazette, published weekly.
Applicants
C. N. (pessoa física)
RJ, BR
Companhia Siderúrgica Nacional - CSN
RJ, BR
Inventors
I. P. (pessoa física)
M. A. (pessoa física)
S. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/28/1985
RPI 762
#13.1
03/05/1985
RPI 750
#9.1
10/23/1984
RPI 731
#6.1
05/22/1984
RPI 709
#4.1
11/22/1983
RPI 683
#3.1
06/15/1982
RPI 608
#21.1
11/14/1995
RPI 1302
#22.1
05/01/1990
RPI 1016
From the same holder
Same category
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