Pedido de patente depositado
#2.1
04/04/1989
RPI 963
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Application data
Number
PI8806119Type
Invention Patent
Filing
11/22/1988
Publication
06/26/1990
Progress at the INPI
- Filing11/22/88
- Publication06/26/90
- Examination03/12/91
- Allowance10/04/94
- Grant05/30/95
- Expired09/02/08
The letters patent expired on 09/02/2008: 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: 04/04/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Singer do Brasil Indústria e Comércio Ltda
SP, BR
Inventors
D. D. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Carta-patente expirada
#21.1
Patente extinta em 22/11/2003
09/02/2008
RPI 1965
Concessão da patente
#16.1
05/30/1995
RPI 1278
Notificação para pagamento de retribuição
#13.1
02/07/1995
RPI 1262
Deferimento
#9.1
10/04/1994
RPI 1244
Solicitação de exame técnico
#4.1
03/12/1991
RPI 1058
Publicação do pedido de patente
#3.1
06/26/1990
RPI 1024
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