Publicação do pedido de patente
#3.1
02/21/1989
RPI 957
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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
P. V. (pessoa física)
SP, BR
Inventors
P. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/21/1989
RPI 957
#2.1
03/08/1988
RPI 907
#15.11
A classificação anterior era: F24F 1/02
06/05/2012
RPI 2161
#21.1
Patente extinta em 23/07/97 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
03/30/1993
RPI 1165
#13.1
10/27/1992
RPI 1143
#9.1
06/09/1992
RPI 1123
#6.1
12/17/1991
RPI 1098
#4.1
08/14/1990
RPI 1028
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Same category
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