Carta-patente expirada
#21.1
Patente extinta em 14/02/2000
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
D. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 14/02/2000
07/01/2008
RPI 1956
#25.1
Transferido Por, Incorporação de: Tubos e Conexões Tigre LTDA.
06/01/1999
RPI 1482
#16.1
10/25/1994
RPI 1247
#13.1
05/03/1994
RPI 1222
#9.1
12/14/1993
RPI 1202
#4.1
12/03/1991
RPI 1096
#3.1
10/01/1991
RPI 1087
#2.1
07/24/1990
RPI 1025
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