Concessão da patente
#16.1
11/28/1989
RPI 997
Application data
Number
PI8407275Type
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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Etablissements M. Duret & Fils
FR
Inventors
J. D. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/28/1989
RPI 997
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07/28/1987
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01/21/1986
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07/08/2008
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