Publicação do pedido de patente
#3.1
08/08/1989
RPI 981
The letters patent expired on 09/18/2001: 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants
Vulcão S/A Indústrias Metalúrgicas e Plásticas
SP, BR
Inventors
O. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/08/1989
RPI 981
#2.1
05/10/1988
RPI 916
#21.1
Patente extinta em 31/12/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
02/16/1994
RPI 1211
#13.1
08/24/1993
RPI 1186
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04/27/1993
RPI 1169
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07/07/1992
RPI 1127
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07/07/1992
RPI 1127
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12/24/1991
RPI 1099
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05/29/1990
RPI 1020
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02/13/1990
RPI 1006
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