Carta-patente expirada
#21.1
Patente extinta em 20/03/2000
07/01/2008
RPI 1956
The letters patent expired on 07/01/2008: 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: 07/01/2008. We update with every new RPI gazette, published weekly.
Applicants
Tigre S/A - Tubos e Conexões
BR
Tubos e Conexões Tigre Ltda
SC, BR
Inventors
O. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 20/03/2000
07/01/2008
RPI 1956
#25.1
Transferido por Incorporação de: Tubos e Conexões Tigre Ltda.
12/14/1999
RPI 1510
#16.1
06/29/1993
RPI 1178
#13.1
04/20/1993
RPI 1168
#9.1
12/01/1992
RPI 1148
#4.1
12/17/1991
RPI 1098
#3.1
10/22/1991
RPI 1090
#2.1
06/12/1990
RPI 1022
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