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Official data from INPI

PASTA DE ELÉTRODO AQUOSA DE COMPOSTOS DE NÍQUEL E COBALTO; ELÉTRODO; PROCESSO PARA A PREPARAÇÃO DE UM ELÉTRODO CARREGADO

ConcedidaInvention Patent

Application data

Number

PI8300982

Type

Invention Patent

Filing

03/01/1983

Publication

12/13/1983

Progress at the INPI

  1. Filing03/01/83
  2. Publication12/13/83
  3. Examination03/04/86
  4. Allowance04/25/89
  5. Grant10/24/89
  6. Terminated08/29/95

The patent was granted on 10/24/1989 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

E. P. (pessoa física)

US

J. J. (pessoa física)

US

J. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

354.489 · 03/03/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

09/13/1988

RPI 934

6.2

06/23/1987

RPI 870

Solicitação de exame técnico

#4.1

03/04/1986

RPI 802

Publicação do pedido de patente

#3.1

12/13/1983

RPI 686

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

Anuidade - prazo legal encerrado

#18.2

08/29/1995

RPI 1291

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