Solicitação de exame técnico
#4.1
01/03/1989
RPI 950
Application data
Number
PI8501831Type
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: 01/03/1989. We update with every new RPI gazette, published weekly.
Applicants
Indústria e Comércio de Correntes Regina Ltda
SP, BR
Inventors
A. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/03/1989
RPI 950
#3.1
11/18/1986
RPI 839
#2.1
07/02/1985
RPI 767
#21.1
Patente extinta em 15/04/2000
07/15/2008
RPI 1958
#16.1
04/30/1991
RPI 1065
#15.6
01/22/1991
RPI 1051
#15.3
11/13/1990
RPI 1041
#13.1
05/22/1990
RPI 1019
#9.1
01/23/1990
RPI 1003
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.