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Official data from INPI

PROCESSO PARA PRODUZIR UM FERTILIZANTE DE FOSFATO BASICO GRANULAR

Em AnáliseInvention Patent

Application data

Number

PI7901451

Type

Invention Patent

Filing

03/10/1978

Publication

-

Progress at the INPI

  1. Filing03/10/78
  2. Publication
  3. Examination10/13/81
  4. Allowance
  5. Grant01/31/84
  6. Terminated10/03/89

The patent was granted on 01/31/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. I. (pessoa física)

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Inventors

K. S. (pessoa física)

N. K. (pessoa física)

W. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Exigência - art. 36 da LPI

#6.1

11/16/1982

RPI 630

Solicitação de exame técnico

#4.1

10/13/1981

RPI 573

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