Concessão da patente
#16.1
07/25/1989
RPI 979
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Official data from INPI
PROCESSO DE FABRICACAO DE EXPLOSIVO PULVERULENTO
ConcedidaInvention Patent
Application data
Number
PI8403726Type
Invention Patent
Filing
07/24/1984
Publication
02/20/1985
Progress at the INPI
- Filing07/24/84
- Publication02/20/85
- Examination05/07/85
- Allowance09/06/88
- Grant07/25/89
- Expired08/19/08
The letters patent expired on 08/19/2008: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
BRITANITE IND QUIMICAS LTD [BR]
Inventors
O. D. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
12/27/1988
RPI 949
Deferimento
#9.1
09/06/1988
RPI 933
Exigência - art. 36 da LPI
#6.1
04/12/1988
RPI 912
Exigência - art. 36 da LPI
#6.1
08/18/1987
RPI 878
Pedido de certificado de adição de invenção
#5.1
10/08/1985
RPI 781
Solicitação de exame técnico
#4.1
05/07/1985
RPI 759
Publicação antecipada
#3.2
02/20/1985
RPI 748
Solicitação de exame não realizada
#4.2
11/13/1984
RPI 734
Pedido de patente depositado
#2.1
10/02/1984
RPI 728
Carta-patente expirada
#21.1
Patente extinta em 24/07/99
08/19/2008
RPI 1963
14.4
06/11/1991
RPI 1071
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