Solicitação de exame técnico
#4.1
10/11/1988
RPI 938
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: 10/11/1988. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
SP, BR
D. D. (pessoa física)
SP, BR
Inventors
A. C. (pessoa física)
BR
D. D. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/11/1988
RPI 938
#3.2
04/19/1988
RPI 913
#2.1
12/01/1987
RPI 893
#21.1
Patente extinta em 22/06/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
05/25/1993
RPI 1173
#13.1
03/02/1993
RPI 1161
12/15/1992
RPI 1150
06/02/1992
RPI 1122
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04/09/1991
RPI 1062
#12.2
09/04/1990
RPI 1031
#9.2
05/15/1990
RPI 1018
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