16.3
09/25/1984
RPI 727
The letters patent expired on 12/26/1995: 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: 09/25/1984. We update with every new RPI gazette, published weekly.
Applicants
S. C. (pessoa física)
FR
Inventors
M. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/25/1984
RPI 727
#16.1
06/26/1984
RPI 714
#13.1
04/17/1984
RPI 704
#9.1
12/20/1983
RPI 687
#6.1
08/16/1983
RPI 669
#4.1
10/13/1981
RPI 573
#21.1
12/26/1995
RPI 1308
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.