18.8
10/07/1986
RPI 833
The letters patent expired on 11/21/1995: 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: 10/07/1986. We update with every new RPI gazette, published weekly.
Applicants
Centre Stephanois De Recherches Mecaniques Hydromecanique Et Frottement
FR
Inventors
A. M. (pessoa física)
J. J. (pessoa física)
IPC Classification
Priority claims
FR
79 12 141 · 05/08/1979
FR
80 01 157 · 01/16/1980
FR
80 10 659 · 05/07/1980
FR
PCT/80/00072 · 05/08/1980
Publications in the Brazilian Industrial Property Gazette (RPI).
10/07/1986
RPI 833
#18.2
08/26/1986
RPI 827
09/17/1985
RPI 778
#16.1
04/30/1985
RPI 758
#13.1
12/11/1984
RPI 738
#9.1
08/07/1984
RPI 720
#6.1
01/17/1984
RPI 691
#4.1
06/28/1983
RPI 662
#21.1
11/21/1995
RPI 1303
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.