Publicação do pedido de patente
#3.1
10/03/1989
RPI 989
Application data
Number
PI8900477Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
M. E. (pessoa física)
DE
Inventors
H. D. (pessoa física)
DE
IPC Classification
Priority claims
DE
P3803109.4 · 02/03/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/03/1989
RPI 989
#2.1
03/28/1989
RPI 962
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01B 5/00; F26B 5/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 02/02/2004
12/15/2009
RPI 2032
#16.1
04/27/1993
RPI 1169
#13.1
10/20/1992
RPI 1142
#15.11
08/11/1992
RPI 1132
#9.1
06/02/1992
RPI 1122
#4.1
08/21/1990
RPI 1029
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.