Pedido de patente depositado
#2.1
05/30/1989
RPI 971
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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
Petroleum Formação de Inserto Ltda.
PR, BR
Inventors
G. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/30/1989
RPI 971
#21.1
Patente extinta em 16/08/98 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
10/26/1993
RPI 1195
#9.1
06/01/1993
RPI 1174
03/09/1993
RPI 1162
#4.1
08/21/1990
RPI 1029
#3.1
04/10/1990
RPI 1013
Same category
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