14.1
08/30/1988
RPI 932
Application data
Number
PI8704395Type
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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
Siemens Ltda
SP, BR
Transformadores União Ltda.
SP, BR
Inventors
D. B. (pessoa física)
DE
D. M. (pessoa física)
DE
M. Z. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 36 29 310.5 · 08/28/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
08/30/1988
RPI 932
#3.1
04/19/1988
RPI 913
#2.1
11/17/1987
RPI 891
#21.1
Patente extinta em 27/08/2002
07/29/2008
RPI 1960
#25.4
Alterado de: Siemens S.A.
01/12/1999
RPI 1462
#25.7
Alterada a sede conforme petição INPI/RJ nº 006976 de 04/04/1997.
01/12/1999
RPI 1462
#20.1
08/13/1996
RPI 1341
#16.1
04/26/1994
RPI 1221
#9.1
08/24/1993
RPI 1186
02/16/1993
RPI 1159
#4.1
09/25/1990
RPI 1034
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