6.2
02/14/1989
RPI 956
Application data
Number
PI8501975Type
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: 02/14/1989. We update with every new RPI gazette, published weekly.
Applicants
S. I. (pessoa física)
BE
Inventors
A. S. (pessoa física)
BE
S. C. (pessoa física)
IT
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/14/1989
RPI 956
#4.1
03/04/1987
RPI 854
#3.1
12/24/1985
RPI 792
#2.1
07/02/1985
RPI 767
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B21F 27/20; B23K 11/32.
03/27/2018
RPI 2464
#21.1
Patente extinta em 23/04/2000
07/15/2008
RPI 1958
#16.1
01/31/1995
RPI 1261
#13.1
09/27/1994
RPI 1243
#9.1
05/24/1994
RPI 1225
#6.1
08/24/1993
RPI 1186
#6.1
01/19/1993
RPI 1155
#15.11
07/16/1991
RPI 1076
#6.1
01/08/1991
RPI 1049
Same category
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