Pedido de licença compulsória
#20.1
09/06/1988
RPI 933
The letters patent expired on 12/14/1993: 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: 09/06/1988. We update with every new RPI gazette, published weekly.
Applicants
ARMCO INC
Inventors
H. M. (pessoa física)
T. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
09/06/1988
RPI 933
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09/30/1986
RPI 832
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07/01/1986
RPI 819
#9.1
03/11/1986
RPI 803
#6.1
10/30/1984
RPI 732
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08/10/1982
RPI 616
01/26/1982
RPI 588
#21.1
12/14/1993
RPI 1202
#20.1
10/20/1992
RPI 1142
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Same category
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