Concessão da patente
#16.1
10/25/1988
RPI 940
Application data
Number
PI8406413Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
Armco Steel Company L.P
US
Inventors
S. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1988
RPI 940
#13.1
09/06/1988
RPI 933
#9.1
05/10/1988
RPI 916
#4.1
07/07/1987
RPI 872
#3.1
10/08/1985
RPI 781
#2.1
03/12/1985
RPI 751
#21.1
Patente extinta em 14/12/99
07/08/2008
RPI 1957
#20.1
03/10/1992
RPI 1110
03/03/1992
RPI 1109
Same category
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