Concessão da patente
#16.1
12/27/1988
RPI 949
Application data
Number
PI8207538Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS
MG, BR
Inventors
M. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1988
RPI 949
#13.1
08/09/1988
RPI 929
#9.1
04/26/1988
RPI 914
#15.6
02/09/1988
RPI 903
#15.3
11/10/1987
RPI 890
#6.1
03/24/1987
RPI 857
#3.1
07/31/1984
RPI 719
#2.1
02/16/1983
RPI 643
#21.1
Patente extinta em 28/12/97
07/01/2008
RPI 1956
From the same holder
Same category
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