Pedido de patente depositado
#2.1
05/23/1989
RPI 970
The letters patent expired on 09/25/2001: 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: 05/23/1989. We update with every new RPI gazette, published weekly.
Applicants
Produtos Elétricos Corona Ltda
SP, BR
Inventors
H. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 19/05/98 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
03/30/1993
RPI 1165
#13.1
11/17/1992
RPI 1146
#15.11
09/22/1992
RPI 1138
#9.1
06/30/1992
RPI 1126
#4.1
05/22/1990
RPI 1019
#3.1
01/16/1990
RPI 1002
From the same holder
Same category
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