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Official data from INPI

PRODUÇÃO DE ELEVADA EFICIÊNCIA DE DIÓXIDO DE CLORO.

Em AnáliseInvention Patent

Application data

Number

PI8105884

Type

Invention Patent

Filing

09/15/1981

Publication

06/08/1982

Progress at the INPI

  1. Filing09/15/81
  2. Publication06/08/82
  3. Examination08/24/82
  4. Allowance09/18/84
  5. Grant04/30/85
  6. Terminated02/04/92

The patent was granted on 04/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

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

F. M. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

Priority claims

CA

360362 · 09/15/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/15/1988

RPI 908

20.3

11/10/1987

RPI 890

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Deferimento

#9.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

Publicação do pedido de patente

#3.1

06/08/1982

RPI 607

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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