Publicação antecipada
#3.2
08/15/1989
RPI 982
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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
Rontan Eletro Metalúrgica Ltda
SP, BR
Inventors
A. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.2
08/15/1989
RPI 982
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 14/10/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
08/04/1992
RPI 1131
#13.1
01/21/1992
RPI 1103
#9.1
09/17/1991
RPI 1085
#4.1
03/06/1990
RPI 1008
From the same holder
Same category
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