Pedido de patente depositado
#2.1
08/29/1989
RPI 984
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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
R. B. (pessoa física)
SP, BR
Inventors
R. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
08/29/1989
RPI 984
#21.1
Patente extinta em 27/06/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
09/26/1995
RPI 1295
#13.1
06/06/1995
RPI 1279
#9.1
01/17/1995
RPI 1259
#4.1
09/08/1993
RPI 1188
#3.1
05/07/1991
RPI 1066
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Same category
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