Solicitação de exame técnico
#4.1
08/18/1987
RPI 878
Application data
Number
PI8605288Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 08/18/1987. We update with every new RPI gazette, published weekly.
Applicants
O. N. (pessoa física)
SP, BR
Inventors
O. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/18/1987
RPI 878
#3.2
06/23/1987
RPI 870
#2.1
04/07/1987
RPI 859
#21.1
Patente extinta em 29/10/2001
07/22/2008
RPI 1959
10/18/1994
RPI 1246
#17.1
05/18/1993
RPI 1172
#16.1
04/28/1992
RPI 1117
#13.1
10/22/1991
RPI 1090
#9.1
06/25/1991
RPI 1073
#6.1
01/08/1991
RPI 1049
#7.1
05/01/1990
RPI 1016
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.