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Official data from INPI

APARELHO PARA FABRICAÇÃO DE ÁCIDOS FOSFÓRICO.

Em AnáliseInvention Patent
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Application data

Number

PI8008385

Type

Invention Patent

Filing

12/18/1980

Publication

04/20/1982
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Progress at the INPI

  1. Filing12/18/80
  2. Publication04/20/82
  3. Examination07/06/82
  4. Allowance06/09/87
  5. Grant12/29/87
  6. Terminated08/09/94

The patent was granted on 12/29/1987 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: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ARAXÁ S.A. FERTILIZANTES E PRODUTOS QUÍMICOS

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Inventors

R. J. (pessoa física)

S. R. (pessoa física)

S. P. (pessoa física)

Technical data

IPC Classification

C01B 25/222

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

08/23/1988

RPI 931

20.7

08/23/1988

RPI 931

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

8.1

04/15/1986

RPI 808

Exigência - art. 36 da LPI

#6.1

06/11/1985

RPI 764

Exigência - art. 36 da LPI

#6.1

11/27/1984

RPI 736

Exigência - art. 36 da LPI

#6.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

07/06/1982

RPI 611

Publicação antecipada

#3.2

04/20/1982

RPI 600

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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