Solicitação de exame técnico
#4.1
11/14/1989
RPI 995
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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
A. F. (pessoa física)
SP, BR
Inventors
A. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/14/1989
RPI 995
#3.1
11/08/1988
RPI 942
#2.1
07/14/1987
RPI 873
#21.1
Patente extinta em 08/04/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
10/29/1991
RPI 1091
#9.1
06/18/1991
RPI 1072
#6.1
11/27/1990
RPI 1043
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