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Official data from INPI

MÉTODO PARA PRODUZIR UM ELETRODO PARA USO EM UMA CÉLULA ELETROQUÍMICA

Em ExigênciaInvention Patent

Application data

Number

PI8402693

Type

Invention Patent

Filing

05/30/1984

Publication

05/07/1985

Progress at the INPI

  1. Filing05/30/84
  2. Publication05/07/85
  3. Examination06/30/87
  4. Allowance04/14/92
  5. Abandoned
  6. In force

The application was allowed on 04/14/1992 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

C. B. (pessoa física)

US

L. A. (pessoa física)

US

R. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

499.626 · 05/31/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

07/26/1988

RPI 927

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Publicação do pedido de patente

#3.1

05/07/1985

RPI 759

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

Arquivamento - Art. 38 §2° da LPI

#11.4

04/06/1993

RPI 1166

Notificação para pagamento de retribuição

#13.1

09/15/1992

RPI 1137

Deferimento

#9.1

04/14/1992

RPI 1115

Exigência - art. 36 da LPI

#6.1

09/03/1991

RPI 1083

Conhecimento de parecer técnico

#7.1

03/05/1991

RPI 1057

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