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Official data from INPI

PROCESSO DE MONTAGEM DE UMA CELULA ELETROLITICA

ConcedidaInvention Patent

Application data

Number

PI8106573

Type

Invention Patent

Filing

02/02/1981

Publication

04/05/1983

Progress at the INPI

  1. Filing02/02/81
  2. Publication04/05/83
  3. Examination08/23/83
  4. Allowance08/21/84
  5. Grant02/26/85
  6. Terminated02/04/92

The patent was granted on 02/26/1985 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: 02/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OLIN CORP [US]

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Inventors

K. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

03/27/1984

RPI 701

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Publicação do pedido de patente

#3.1

04/05/1983

RPI 650

Pedido de patente depositado

#2.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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