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
O. M. (pessoa física)
SP, BR
Inventors
O. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/15/1987
RPI 895
#3.2
10/06/1987
RPI 885
#2.1
09/29/1987
RPI 884
#21.1
Patente extinta em 12/06/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
02/04/1997
RPI 1366
#13.1
06/18/1996
RPI 1333
04/09/1996
RPI 1323
01/02/1996
RPI 1309
#12.2
10/08/1991
RPI 1088
#9.2
07/02/1991
RPI 1074
#15.11
04/16/1991
RPI 1063
#7.1
12/26/1990
RPI 1047
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