22.2
11/28/1989
RPI 997
Application data
Number
PI8503806Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
A. B. (pessoa física)
SP, BR
Inventors
A. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/28/1989
RPI 997
06/27/1989
RPI 975
10/25/1988
RPI 940
#12.2
06/07/1988
RPI 920
#9.2
02/17/1988
RPI 904
#7.1
08/04/1987
RPI 876
#4.1
07/08/1986
RPI 820
#3.2
01/07/1986
RPI 794
#2.1
10/15/1985
RPI 782
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: E04C 1/06; E04C 1/39.
03/27/2018
RPI 2464
#21.1
Patente extinta em 12/08/2000
07/15/2008
RPI 1958
#22.1
05/31/1994
RPI 1226
#22.1
03/16/1993
RPI 1163
#16.1
11/27/1990
RPI 1043
09/18/1990
RPI 1033
#15.3
08/07/1990
RPI 1027
02/01/1990
RPI 1004
Same category
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