Solicitação de exame técnico
#4.1
06/07/1988
RPI 920
Application data
Number
PI8503956Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 06/07/1988. We update with every new RPI gazette, published weekly.
Applicants
L. E. (pessoa física)
FR
Inventors
J. O. (pessoa física)
FR
J. G. (pessoa física)
FR
IPC Classification
Priority claims
FR
84 12975 · 08/20/1984
FR
84 17829 · 11/19/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/07/1988
RPI 920
#3.1
06/03/1986
RPI 815
#2.1
10/22/1985
RPI 783
#21.1
Patente extinta em 19/08/2000
07/15/2008
RPI 1958
#16.1
07/30/1991
RPI 1078
#13.1
03/12/1991
RPI 1058
#9.1
11/27/1990
RPI 1043
#6.1
07/24/1990
RPI 1025
01/02/1990
RPI 1000
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.