Solicitação de exame técnico
#4.1
12/05/1989
RPI 998
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: 12/05/1989. We update with every new RPI gazette, published weekly.
Applicants
D. M. (pessoa física)
SP, BR
Inventors
D. M. (pessoa física)
BR
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/05/1989
RPI 998
#3.2
07/25/1989
RPI 979
#2.1
04/18/1989
RPI 965
#21.1
Patente extinta em 20/04/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
05/25/1993
RPI 1173
#13.1
03/02/1993
RPI 1161
#9.1
09/29/1992
RPI 1139
#6.1
11/12/1991
RPI 1093
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Same category
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