Solicitação de exame técnico
#4.1
10/24/1989
RPI 992
Application data
Number
PI8500232Type
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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Eletrônica Hamelin Ltda
SP, BR
Inventors
A. H. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/24/1989
RPI 992
07/18/1989
RPI 978
#15.6
07/18/1989
RPI 978
05/09/1989
RPI 968
#15.3
12/13/1988
RPI 947
#3.1
09/02/1986
RPI 828
#2.1
04/16/1985
RPI 756
#21.1
Patente extinta em 18/01/2000
07/15/2008
RPI 1958
06/23/1992
RPI 1125
#16.1
11/05/1991
RPI 1092
#15.6
06/11/1991
RPI 1071
#15.3
02/26/1991
RPI 1056
02/26/1991
RPI 1056
#16.2
02/19/1991
RPI 1055
#16.1
12/26/1990
RPI 1047
#13.1
10/02/1990
RPI 1035
#9.1
06/19/1990
RPI 1023
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.