Solicitação de exame técnico
#4.1
09/22/1987
RPI 883
Application data
Number
PI8700890Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 09/22/1987. We update with every new RPI gazette, published weekly.
Applicants
B. F. (pessoa física)
B. F. (pessoa física)
SP, BR
Inventors
B. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/22/1987
RPI 883
#3.2
08/18/1987
RPI 878
#2.1
06/23/1987
RPI 870
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era A01D 55/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 25/02/2002
07/29/2008
RPI 1960
#20.1
12/01/1992
RPI 1148
#16.1
07/30/1991
RPI 1078
#13.1
04/09/1991
RPI 1062
#9.1
12/26/1990
RPI 1047
#6.1
07/31/1990
RPI 1026
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.