Carta-patente expirada
#21.1
Patente extinta em 14/11/2001
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
Weril Instrumentos Musicais Ltda
SP, BR
Inventors
A. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 14/11/2001
07/01/2008
RPI 1956
#16.1
01/30/1996
RPI 1313
#13.1
09/19/1995
RPI 1294
#9.1
04/25/1995
RPI 1273
#4.1
05/19/1992
RPI 1120
#2.1
02/18/1992
RPI 1107
#3.2
02/18/1992
RPI 1107
#2.1
12/24/1991
RPI 1099
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.