Solicitação de exame técnico
#4.1
11/24/1987
RPI 892
Application data
Number
PI8601137Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
Amelco S.A Indústria Eletrônica
SP, BR
H. B. (pessoa física)
SP, BR
Inventors
H. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/24/1987
RPI 892
#3.1
09/08/1987
RPI 881
#2.1
05/05/1987
RPI 863
#21.1
Patente extinta em 25/02/2001
07/22/2008
RPI 1959
#25.1
Transferido de Hans Boris Belck.
02/06/2001
RPI 1570
#16.1
11/29/1994
RPI 1252
#13.1
08/02/1994
RPI 1235
#9.1
04/05/1994
RPI 1218
#15.11
06/01/1993
RPI 1174
#6.1
02/16/1993
RPI 1159
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