Publicação antecipada
#3.2
08/01/1989
RPI 980
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: 08/01/1989. We update with every new RPI gazette, published weekly.
Applicants
S. K. (pessoa física)
JP
Inventors
S. K. (pessoa física)
JP
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.2
08/01/1989
RPI 980
#2.1
05/16/1989
RPI 969
#21.1
Patente extinta em 03/04/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
10/26/1993
RPI 1195
#9.1
06/01/1993
RPI 1174
#4.1
05/15/1990
RPI 1018
From the same holder
Same category
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