Solicitação de exame técnico
#4.1
08/09/1988
RPI 929
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: 08/09/1988. 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
08/09/1988
RPI 929
#3.2
05/10/1988
RPI 916
#2.1
02/17/1988
RPI 904
#21.1
Patente extinta em 02/07/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
03/29/1994
RPI 1217
#13.1
11/16/1993
RPI 1198
10/05/1993
RPI 1192
#12.2
09/17/1991
RPI 1085
08/06/1991
RPI 1079
#15.3
01/15/1991
RPI 1050
#9.2
09/25/1990
RPI 1034
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