Concessão da patente
#16.1
08/30/1988
RPI 932
Application data
Number
PI8302057Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
Centre Stephanois de Recherches Mecaniques Hydromecanique Et Frottement
FR
Inventors
E. J. (pessoa física)
G. B. (pessoa física)
S. B. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1988
RPI 932
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06/07/1988
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02/09/1988
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03/04/1987
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#4.1
03/25/1986
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#3.1
12/27/1983
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#2.1
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#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C23F 7/00; C23F 15/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 20/04/98
07/01/2008
RPI 1956
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