20.4
10/25/1988
RPI 940
The letters patent expired on 07/26/1994: 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
Inventors
P. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/25/1988
RPI 940
05/15/1984
RPI 708
#13.1
11/08/1983
RPI 681
#9.1
07/12/1983
RPI 664
#4.1
02/09/1982
RPI 590
#21.1
07/26/1994
RPI 1234
From the same holder
Same category
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