Solicitação de exame técnico
#4.1
06/28/1988
RPI 923
The letters patent expired on 09/18/2001: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
B. L. (pessoa física)
SP, BR
Inventors
B. L. (pessoa física)
BR
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/28/1988
RPI 923
#3.2
04/26/1988
RPI 914
#2.1
11/17/1987
RPI 891
#21.1
Patente extinta em 21/05/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
10/29/1991
RPI 1091
#13.1
06/11/1991
RPI 1071
#15.6
04/09/1991
RPI 1062
11/13/1990
RPI 1041
#9.1
08/07/1990
RPI 1027
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.