20.4
10/25/1988
RPI 940
The letters patent expired on 05/02/1995: 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
Michelin & Cie (Compagnie Générale des Etablissements Michelin).
FR
Inventors
P. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
10/25/1988
RPI 940
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