Solicitação de exame técnico
#4.1
02/04/1986
RPI 798
Application data
Number
PI8502412Type
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: 02/04/1986. We update with every new RPI gazette, published weekly.
Applicants
H. S. (pessoa física)
SP, BR
Inventors
H. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/04/1986
RPI 798
#3.2
10/15/1985
RPI 782
#2.1
07/23/1985
RPI 770
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: F16L 17/04; B29D 23/22.
03/20/2018
RPI 2463
#21.1
Patente extinta em 22/05/2000
07/15/2008
RPI 1958
#20.1
10/04/1994
RPI 1244
#16.1
11/30/1993
RPI 1200
#13.1
08/17/1993
RPI 1185
07/13/1993
RPI 1180
01/12/1993
RPI 1154
#15.11
07/16/1991
RPI 1076
#12.2
04/30/1991
RPI 1065
#9.2
01/29/1991
RPI 1052
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Same category
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