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Official data from INPI

PROCESSO DE FABRICACAO DE ACIDO FOSFORICO

Em AnáliseInvention Patent
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Application data

Number

PI7807491

Type

Invention Patent

Filing

11/16/1977

Publication

-
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Progress at the INPI

  1. Filing11/16/77
  2. Publication
  3. Examination
  4. Allowance02/14/84
  5. Grant07/31/84
  6. Terminated10/03/89

The patent was granted on 07/31/1984 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

R. I. (pessoa física)

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Inventors

B. B. (pessoa física)

Technical data

IPC Classification

C01B 25/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

08/16/1983

RPI 669

Conhecimento de parecer técnico

#7.1

08/10/1982

RPI 616

6.2

01/26/1982

RPI 588

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