Carta-patente expirada
#21.1
Patente extinta em 14/02/2000
07/01/2008
RPI 1956
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: 07/01/2008. We update with every new RPI gazette, published weekly.
Applicants
E. F. (pessoa física)
SP, BR
Phoenix News Metalúrgica Ltda
SP, BR
Inventors
E. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 14/02/2000
07/01/2008
RPI 1956
#20.1
09/24/1996
RPI 1347
#16.1
09/29/1992
RPI 1139
#13.1
04/21/1992
RPI 1116
#9.1
12/03/1991
RPI 1096
#5.1
03/26/1991
RPI 1060
#4.1
11/27/1990
RPI 1043
#3.2
08/07/1990
RPI 1027
#2.1
05/15/1990
RPI 1018
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.