Solicitação de exame técnico
#4.1
08/01/1989
RPI 980
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: 08/01/1989. We update with every new RPI gazette, published weekly.
Applicants
J. G. (pessoa física)
SP, BR
Inventors
J. G. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/01/1989
RPI 980
#3.2
07/18/1989
RPI 978
#2.1
04/25/1989
RPI 966
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B26D 7/26; A01F 29/20.
03/20/2018
RPI 2463
#21.1
Patente extinta em 28/04/98 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
09/28/1993
RPI 1191
#9.1
05/18/1993
RPI 1172
Same category
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