Solicitação de exame técnico
#4.1
09/12/1989
RPI 986
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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
N. M. (pessoa física)
RS, BR
Inventors
N. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/12/1989
RPI 986
#3.1
12/06/1988
RPI 946
#2.1
11/10/1987
RPI 890
#21.1
Patente extinta em 08/05/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
06/25/1991
RPI 1073
#13.1
03/26/1991
RPI 1060
#9.1
12/11/1990
RPI 1045
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