Solicitação de exame técnico
#4.1
12/13/1988
RPI 947
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Official data from INPI
PROCESSO DE TRATAMENTO DE MINÉRIO CARNALÍTICO
Em AnáliseInvention Patent
Application data
Number
PI8601364Type
Invention Patent
Filing
03/26/1986
Publication
12/02/1986
Progress at the INPI
- Filing03/26/86
- Publication12/02/86
- Examination12/13/88
- Allowance04/30/91
- Grant12/31/91
- Terminated09/26/95
The patent was granted on 12/31/1991 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: 12/13/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Mines De Potasse D'Alsace S.A.
FR
Inventors
J. K. (pessoa física)
FR
J. Z. (pessoa física)
FR
M. B. (pessoa física)
FR
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
12/02/1986
RPI 841
Pedido de patente depositado
#2.1
10/21/1986
RPI 835
Anuidade - prazo legal encerrado
#18.2
09/26/1995
RPI 1295
Concessão da patente
#16.1
12/31/1991
RPI 1100
Republicação - classificação IPC
#15.11
11/12/1991
RPI 1093
Notificação para pagamento de retribuição
#13.1
08/13/1991
RPI 1080
Deferimento
#9.1
04/30/1991
RPI 1065
Exigência - art. 36 da LPI
#6.1
01/08/1991
RPI 1049
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