Publicação antecipada
#3.2
08/22/1989
RPI 983
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: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
NEC do Brasil S/A
SP, BR
Inventors
R. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.2
08/22/1989
RPI 983
#2.1
05/30/1989
RPI 971
#21.1
Patente extinta em 24/04/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#16.1
08/29/1995
RPI 1291
#15.6
07/18/1995
RPI 1285
03/14/1995
RPI 1267
#15.3
11/29/1994
RPI 1252
#13.1
04/26/1994
RPI 1221
#9.1
12/07/1993
RPI 1201
#15.6
06/15/1993
RPI 1176
#15.3
03/02/1993
RPI 1161
#4.1
03/01/1990
RPI 1007
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