Deferimento
#9.1
08/29/1989
RPI 984
The letters patent expired on 09/27/1994: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
E. B. (pessoa física)
SP, BR
Inventors
E. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
08/29/1989
RPI 984
08/22/1989
RPI 983
#7.1
06/21/1988
RPI 922
#15.6
11/24/1987
RPI 892
#15.3
09/08/1987
RPI 881
#4.1
01/15/1985
RPI 743
#3.2
09/11/1984
RPI 725
#2.1
02/28/1984
RPI 697
#21.1
09/27/1994
RPI 1243
#16.1
04/24/1990
RPI 1015
#13.1
01/09/1990
RPI 1001
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.