Carta-patente expirada
#21.1
Patente extinta em 22/07/2001
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
Bilhares Triângulo Ltda.
MG, BR
Inventors
G. B. (pessoa física)
BR
P. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 22/07/2001
07/01/2008
RPI 1956
#16.1
10/25/1994
RPI 1247
#13.1
08/02/1994
RPI 1235
#9.1
03/29/1994
RPI 1217
#6.1
09/08/1993
RPI 1188
#7.1
04/06/1993
RPI 1166
#4.1
02/04/1992
RPI 1105
#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.