Carta-patente expirada
#21.1
Patente extinta em 07/06/2000
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
No applicants.
Inventors
A. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 07/06/2000
07/01/2008
RPI 1956
#16.1
06/28/1994
RPI 1230
#9.1
12/14/1993
RPI 1202
#4.1
05/05/1992
RPI 1118
#3.2
01/22/1991
RPI 1051
#2.1
09/04/1990
RPI 1031
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.