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Official data from INPI

PROCESSO PARA RECUPERAR MANGANES A PARTIR DE UMA SOLUCAO AQUOSA ACIDA E PROCESSO PARA ESTA REMOCAO

ConcedidaInvention Patent

Application data

Number

PI7806068

Type

Invention Patent

Filing

09/17/1977

Publication

-

Progress at the INPI

  1. Filing09/17/77
  2. Publication
  3. Examination
  4. Allowance07/12/83
  5. Grant12/27/83
  6. Terminated01/28/92

The patent was granted on 12/27/1983 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: 12/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTEROX CHEMICALS LTD

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Inventors

B. A. (pessoa física)

C. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/12/1983

RPI 664

Exigência - art. 36 da LPI

#6.1

07/13/1982

RPI 612

6.2

12/22/1981

RPI 583

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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