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Official data from INPI

APERFEIÇOAMENTO EM PROCESSO DE FABRICAÇÃO DE FERTILIZANTE POTÁSSICO

Em AnáliseInvention Patent

Application data

Number

PI8604838

Type

Invention Patent

Filing

10/06/1986

Publication

05/31/1988

Progress at the INPI

  1. Filing10/06/86
  2. Publication05/31/88
  3. Examination09/13/88
  4. Allowance01/26/93
  5. Grant08/31/93
  6. Terminated06/18/96

The patent was granted on 08/31/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. F. (pessoa física)

SP, BR

Inventors

K. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/13/1988

RPI 934

Publicação do pedido de patente

#3.1

05/31/1988

RPI 919

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Anuidade - prazo legal encerrado

#18.2

06/18/1996

RPI 1333

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

05/11/1993

RPI 1171

Deferimento

#9.1

01/26/1993

RPI 1156

Exigência - art. 36 da LPI

#6.1

06/23/1992

RPI 1125

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