Solicitação de exame técnico
#4.1
10/11/1988
RPI 938
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: 10/11/1988. We update with every new RPI gazette, published weekly.
Applicants
Telos S/A Equipamentos E Sistemas
PR, BR
Inventors
D. D. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/11/1988
RPI 938
#3.2
08/02/1988
RPI 928
#2.1
06/14/1988
RPI 921
#21.1
Patente extinta em 29/02/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
06/29/1993
RPI 1178
04/06/1993
RPI 1166
#15.11
12/08/1992
RPI 1149
#13.1
12/01/1992
RPI 1148
#9.1
07/14/1992
RPI 1128
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Same category
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