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Official data from INPI

CONSTRUÇÃO DE CÉLULA DE CLORATO.

Em AnáliseInvention Patent

Application data

Number

PI7906263

Type

Invention Patent

Filing

09/28/1979

Publication

-

Progress at the INPI

  1. Filing09/28/79
  2. Publication
  3. Examination
  4. Allowance06/12/84
  5. Grant12/26/84
  6. Terminated01/28/92

The patent was granted on 12/26/1984 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Erco Industries Limited

Inventors

H. D. (pessoa física)

W. R. (pessoa física)

Technical data

IPC Classification

Priority claims

CA

321 399/79 · 02/13/1979

GB

38 671/78 · 09/29/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

05/31/1988

RPI 919

20.3

11/10/1987

RPI 890

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

Deferimento

#9.1

06/12/1984

RPI 712

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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