Deferimento
#9.1
10/03/1989
RPI 989
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Official data from INPI
PROCESSOS DE PRODUÇÃO DE CELULOSE E HEMICELULOSE
DeferidaInvention Patent
Application data
Number
PI8304803Type
Invention Patent
Filing
09/02/1983
Publication
04/10/1984
Progress at the INPI
- Filing09/02/83
- Publication04/10/84
- Examination07/08/86
- Allowance10/03/89
- Grant04/24/90
- Terminated04/09/96
The patent was granted on 04/24/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
M. W. (pessoa física)
US
Inventors
M. W. (pessoa física)
US
Technical data
IPC Classification
Priority claims
US
414.931 · 09/03/1982
US
512.940 · 07/12/1983
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Exigência - art. 36 da LPI
#6.1
03/28/1989
RPI 962
Exigência - art. 36 da LPI
#6.1
06/28/1988
RPI 923
6.2
09/22/1987
RPI 883
Solicitação de exame técnico
#4.1
07/08/1986
RPI 820
Republicação - classificação IPC
#15.11
08/07/1984
RPI 720
Publicação do pedido de patente
#3.1
04/10/1984
RPI 703
Pedido de patente depositado
#2.1
11/01/1983
RPI 680
Anuidade - prazo legal encerrado
#18.2
04/09/1996
RPI 1323
Concessão da patente
#16.1
04/24/1990
RPI 1015
Notificação para pagamento de retribuição
#13.1
02/01/1990
RPI 1004
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