Pedido de patente depositado
#2.1
10/25/1988
RPI 940
The letters patent expired on 09/25/2001: 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: 10/25/1988. 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
10/25/1988
RPI 940
#21.1
Patente extinta em 02/06/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
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