Pedido de patente depositado
#2.1
02/28/1989
RPI 958
The letters patent expired on 11/20/2001: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
M. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
02/28/1989
RPI 958
#21.1
Patente extinta em 13/01/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
Referência: RPI 1382 de 27.05.1997- Item: Prazo de Validade
12/22/1998
RPI 1459
#16.1
05/27/1997
RPI 1382
#13.1
01/30/1996
RPI 1313
11/28/1995
RPI 1304
10/24/1995
RPI 1299
#12.2
10/25/1994
RPI 1247
#9.2
08/16/1994
RPI 1237
#7.1
08/24/1993
RPI 1186
#4.1
11/13/1990
RPI 1041
#3.1
08/14/1990
RPI 1028
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