Carta-patente expirada
#21.1
Patente extinta em 07/08/2001
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
Mela Metalúrgica Lampe Ltda
PR, BR
Inventors
E. L. (pessoa física)
BR
M. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 07/08/2001
07/01/2008
RPI 1956
#16.1
04/25/1995
RPI 1273
#13.1
12/13/1994
RPI 1254
#9.1
08/16/1994
RPI 1237
#4.1
10/06/1992
RPI 1140
#2.1
11/05/1991
RPI 1092
#3.2
11/05/1991
RPI 1092
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.