Pedido de patente depositado
#2.1
03/21/1989
RPI 961
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: 03/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Tubos e Conexões Tigre Ltda
SC, BR
Tubos e Conexões Tigre Ltda.
SC, BR
Inventors
D. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
03/21/1989
RPI 961
#21.1
Patente extinta em 31/01/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
10/25/1994
RPI 1247
#13.1
04/26/1994
RPI 1221
03/15/1994
RPI 1215
#12.2
11/03/1993
RPI 1196
#9.2
06/29/1993
RPI 1178
#4.1
01/29/1991
RPI 1052
#3.1
10/02/1990
RPI 1035
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