20.4
10/25/1988
RPI 940
The letters patent expired on 04/18/1995: 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.
FR
M. C. (pessoa física)
FR
Inventors
C. J. (pessoa física)
C. A. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
10/25/1988
RPI 940
#16.1
12/31/1985
RPI 793
08/13/1985
RPI 773
#13.1
08/13/1985
RPI 773
#11.4
07/02/1985
RPI 767
#9.1
07/31/1984
RPI 719
#6.1
12/13/1983
RPI 686
#4.1
04/27/1982
RPI 601
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B60C 21/08; C08G 71/04; C08L 7/00; C08L 21/00; C08L 23/18; C08L 23/20; C08L 63/00; C08L 67/00; C08L 75/04; C08L 101/00; C09K 3/10; C08L 75/00.
03/27/2018
RPI 2464
#21.1
04/18/1995
RPI 1272
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Same category
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