Pedido de patente depositado
#2.1
04/11/1989
RPI 964
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: 04/11/1989. We update with every new RPI gazette, published weekly.
Applicants
Westaflex Tubos Flexíveis Ltda
PR, BR
Inventors
E. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
04/11/1989
RPI 964
#21.1
Patente extinta em 27/02/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
06/27/1995
RPI 1282
#13.1
12/13/1994
RPI 1254
#9.1
08/16/1994
RPI 1237
#4.1
04/09/1991
RPI 1062
#3.1
12/04/1990
RPI 1044
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Same category
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