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
Pial Eletro Eletrônicos Ltda
SP, BR
Inventors
R. C. (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 04/08/98 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
03/29/1994
RPI 1217
#13.1
10/19/1993
RPI 1194
#9.1
06/08/1993
RPI 1175
#4.1
08/07/1990
RPI 1027
#3.1
04/03/1990
RPI 1012
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