Pedido de patente depositado
#2.1
07/25/1989
RPI 979
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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
Polierg Indústria e Comércio Ltda
SP, BR
Inventors
Y. O. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/25/1989
RPI 979
#21.1
Patente extinta em 24/05/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
11/29/1994
RPI 1252
#9.1
06/14/1994
RPI 1228
#6.1
08/10/1993
RPI 1184
#4.1
07/30/1991
RPI 1078
#3.1
04/16/1991
RPI 1063
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Same category
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