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Official data from INPI

PROCESSO DE FABRICACAO DE ADUBOS DE POTASSIO A PARTIR DE ROCHAS ALCALINAS E APROVEITAMENTO TOTAL DE SEUS SUBPRODUTO

Em AnáliseInvention Patent
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Application data

Number

PI7606180

Type

Invention Patent

Filing

09/16/1976

Publication

-
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Progress at the INPI

  1. Filing09/16/76
  2. Publication
  3. Examination
  4. Allowance07/20/82
  5. Grant05/31/83
  6. Terminated11/17/87

The patent was granted on 05/31/1983 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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. K. (pessoa física)

Inventors

F. K. (pessoa física)

Technical data

IPC Classification

C05D 1/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

Cessão de direito de exploração

#22.1

11/20/1984

RPI 735

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

12/07/1982

RPI 633

Deferimento

#9.1

07/20/1982

RPI 613

8.1

10/06/1981

RPI 572

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