Publicação do pedido de patente
#3.1
07/12/1988
RPI 925
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Application data
Number
PI8706537Type
Invention Patent
Filing
12/02/1987
Publication
07/12/1988
Progress at the INPI
- Filing12/02/87
- Publication07/12/88
- Examination11/27/90
- Allowance03/16/93
- Grant09/28/93
- Expired07/29/08
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: 07/12/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Advance Transformer Company
US
Inventors
J. D. (pessoa física)
US
S. P. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
03/01/1988
RPI 906
Carta-patente expirada
#21.1
Patente extinta em 02/12/2002
07/29/2008
RPI 1960
Concessão da patente
#16.1
09/28/1993
RPI 1191
Notificação para pagamento de retribuição
#13.1
07/06/1993
RPI 1179
Deferimento
#9.1
03/16/1993
RPI 1163
Republicação - classificação IPC
#15.11
08/11/1992
RPI 1132
Exigência - art. 36 da LPI
#6.1
07/21/1992
RPI 1129
Solicitação de exame técnico
#4.1
11/27/1990
RPI 1043
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