Solicitação de exame técnico
#4.1
12/27/1988
RPI 949
The letters patent expired on 09/25/2001: 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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
S. T. (pessoa física)
SP, BR
Inventors
U. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/27/1988
RPI 949
#3.2
11/01/1988
RPI 941
#2.1
10/25/1988
RPI 940
#21.1
Patente extinta em 20/07/98 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
06/29/1993
RPI 1178
#13.1
05/25/1993
RPI 1173
#9.1
02/09/1993
RPI 1158
#6.1
05/12/1992
RPI 1119
12/03/1991
RPI 1096
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Same category
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