Pedido de patente depositado
#2.1
04/04/1989
RPI 963
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: 04/04/1989. We update with every new RPI gazette, published weekly.
Applicants
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
04/04/1989
RPI 963
#21.1
Patente extinta em 20/02/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
03/29/1994
RPI 1217
#13.1
11/09/1993
RPI 1197
#9.1
06/22/1993
RPI 1177
#4.1
02/26/1991
RPI 1056
#3.1
11/20/1990
RPI 1042
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Same category
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