Solicitação de exame técnico
#4.1
01/10/1989
RPI 951
Application data
Number
PI8602111Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.
Applicants
Elkem Metals Company
US
Hoganas AB
SE
Inventors
D. H. (pessoa física)
US
L. T. (pessoa física)
US
R. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/10/1989
RPI 951
#3.1
01/13/1987
RPI 847
#2.1
11/11/1986
RPI 838
#21.1
Patente extinta em 12/05/2001
07/22/2008
RPI 1959
#25.11
Referência: RPI 1383 de 03.06.1997@ Transferido de Elkem Metals Company
09/29/1998
RPI 1449
#25.1
06/03/1997
RPI 1383
#16.1
08/25/1992
RPI 1134
#13.1
03/17/1992
RPI 1111
#9.1
11/05/1991
RPI 1092
#6.1
02/26/1991
RPI 1056
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