Solicitação de exame técnico
#4.1
11/21/1989
RPI 996
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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
A. R. (pessoa física)
SP, BR
Inventors
A. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/21/1989
RPI 996
#3.1
07/04/1989
RPI 976
#2.1
03/22/1988
RPI 909
#21.1
Patente extinta em 23/11/97 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
03/31/1992
RPI 1113
#13.1
10/22/1991
RPI 1090
#15.11
10/22/1991
RPI 1090
#9.1
06/25/1991
RPI 1073
Same category
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