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Official data from INPI

PROCESSO PARA LIXIVIACAO BACTERIAL DE MINERIOS

ConcedidaInvention Patent

Application data

Number

PI7901755

Type

Invention Patent

Filing

03/23/1978

Publication

-

Progress at the INPI

  1. Filing03/23/78
  2. Publication
  3. Examination11/17/81
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Terminated01/28/92

The patent was granted on 08/28/1984 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: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTEROX CHEMICALS LTD

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Inventors

C. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

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

04/05/1983

RPI 650

6.2

09/28/1982

RPI 623

Solicitação de exame técnico

#4.1

11/17/1981

RPI 578

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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