6.2
05/30/1989
RPI 971
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Official data from INPI
PROCESSO DE RECUPERAÇÃO DE CLORO
Em ExigênciaInvention Patent
Application data
Number
PI8502793Type
Invention Patent
Filing
06/12/1985
Publication
02/18/1986
Progress at the INPI
- Filing06/12/85
- Publication02/18/86
- Examination01/26/88
- Allowance11/13/90
- Grant05/28/91
- Expired07/15/08
The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SCM Chemicals, Limited
GB
Inventors
M. R. (pessoa física)
GB
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
01/26/1988
RPI 901
Publicação do pedido de patente
#3.1
02/18/1986
RPI 800
Pedido de patente depositado
#2.1
08/13/1985
RPI 773
Carta-patente expirada
#21.1
Patente extinta em 12/06/2000
07/15/2008
RPI 1958
Concessão da patente
#16.1
05/28/1991
RPI 1069
Notificação para pagamento de retribuição
#13.1
02/26/1991
RPI 1056
Deferimento
#9.1
11/13/1990
RPI 1041
Exigência - art. 36 da LPI
#6.1
05/22/1990
RPI 1019
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