Publicação do pedido de patente
#3.1
09/26/1989
RPI 988
The letters patent expired on 07/01/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Ewem Ltd
NL
Industrial Arte Técnica S/A
RS, BR
Inventors
M. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
09/26/1989
RPI 988
#2.1
06/14/1988
RPI 921
#21.1
Patente extinta em 12/02/1998
07/01/2008
RPI 1956
#25.1
08/26/1997
RPI 1395
09/12/1995
RPI 1293
#17.1
03/07/1995
RPI 1266
#16.1
02/16/1994
RPI 1211
11/30/1993
RPI 1200
#12.1
07/13/1993
RPI 1180
#9.1
03/09/1993
RPI 1162
#6.1
06/23/1992
RPI 1125
#6.1
12/17/1991
RPI 1098
#5.1
08/07/1990
RPI 1027
#4.1
03/06/1990
RPI 1008
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.