Publicação do pedido de patente
#3.1
12/29/1987
RPI 897
Application data
Number
PI8701415Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Societe Chimique Des Charbonnages S.A
FR
Inventors
V. C. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/29/1987
RPI 897
#2.1
07/07/1987
RPI 872
#21.1
Patente extinta em 27/03/2002
07/29/2008
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09/28/1993
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06/15/1993
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01/14/1992
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11/13/1990
RPI 1041
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10/16/1990
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