Solicitação de exame técnico
#4.1
10/18/1988
RPI 939
Application data
Number
PI8700566Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 10/18/1988. 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)
BR
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/18/1988
RPI 939
#3.1
08/23/1988
RPI 931
#2.1
06/09/1987
RPI 868
#21.1
Patente extinta em 09/02/2002
07/29/2008
RPI 1960
#25.1
08/26/1997
RPI 1395
#16.1
11/28/1995
RPI 1304
#13.1
09/05/1995
RPI 1292
#9.1
03/28/1995
RPI 1269
#6.1
08/30/1994
RPI 1239
#6.1
04/26/1994
RPI 1221
#6.1
11/09/1993
RPI 1197
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.