Solicitação de exame técnico
#4.1
11/22/1988
RPI 944
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: 11/22/1988. We update with every new RPI gazette, published weekly.
Applicants
Peterco Iluminação e Eletricidade Ltda
SP, BR
Inventors
J. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/22/1988
RPI 944
#3.2
08/23/1988
RPI 931
#2.1
05/24/1988
RPI 918
#21.1
Patente extinta em 04/02/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
07/26/1994
RPI 1234
#13.1
02/08/1994
RPI 1210
#9.1
08/24/1993
RPI 1186
#15.11
06/01/1993
RPI 1174
#6.1
02/09/1993
RPI 1158
#15.6
11/26/1991
RPI 1095
#15.3
08/27/1991
RPI 1082
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