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Official data from INPI

PRODUÇÃO DE DIÓXIDO DE CLORO.

Em AnáliseInvention Patent
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Application data

Number

PI7905894

Type

Invention Patent

Filing

09/14/1979

Publication

-
View on INPI

Progress at the INPI

  1. Filing09/14/79
  2. Publication
  3. Examination01/31/84
  4. Allowance02/04/86
  5. Grant09/30/86
  6. Terminated01/28/92

The patent was granted on 09/30/1986 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: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Erco Industries Limited

Inventors

C. G. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

C01B 11/02

Priority claims

GB

37336/78 · 09/19/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/15/1988

RPI 908

20.3

10/06/1987

RPI 885

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Exigência - art. 36 da LPI

#6.1

02/20/1985

RPI 748

Exigência - art. 36 da LPI

#6.1

10/02/1984

RPI 728

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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