Solicitação de exame técnico
#4.1
12/15/1987
RPI 895
The letters patent expired on 09/18/2001: 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: 12/15/1987. We update with every new RPI gazette, published weekly.
Applicants
Exibição Propaganda Ltda. S/C
SP, BR
Inventors
L. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/15/1987
RPI 895
#3.2
11/03/1987
RPI 889
#2.1
08/04/1987
RPI 876
#21.1
Patente extinta em 02/06/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
05/25/1993
RPI 1173
#9.1
12/08/1992
RPI 1149
06/02/1992
RPI 1122
#6.1
11/05/1991
RPI 1092
#7.1
02/19/1991
RPI 1055
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