Concessão da patente
#16.1
03/17/1987
RPI 856
The letters patent expired on 12/07/1993: 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: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants
VIALANES JEAN PIERRE [BR]
Inventors
V. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/17/1987
RPI 856
#13.1
09/02/1986
RPI 828
#9.1
05/13/1986
RPI 812
#6.1
05/21/1985
RPI 761
#6.1
12/04/1984
RPI 737
#3.2
04/12/1983
RPI 651
#2.1
08/10/1982
RPI 616
#21.1
12/07/1993
RPI 1201
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.