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Official data from INPI

PILHA ELETROQUÍMICA, PROCESSO PARA PRODUÇÃO DE PILHA ELETROQUÍMICA AQUOSA, E COMPOSIÇÃO DE MATÉRIA PARA USO NA PRODUÇÃO DE ANODO DE PILHA ELETROQUÍMICA AQUOSA COM FERVURA PREDUZIDA.

Em AnáliseInvention Patent
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Application data

Number

PI8503252

Type

Invention Patent

Filing

07/08/1985

Publication

03/25/1986
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Progress at the INPI

  1. Filing07/08/85
  2. Publication03/25/86
  3. Abandoned04/19/88
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Duracell International Inc

US

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Inventors

F. P. (pessoa física)

P. C. (pessoa física)

Technical data

IPC Classification

H01M 4/24H01M 4/42H01M 6/04

Priority claims

US

629.011 · 07/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/19/1988

RPI 913

Publicação do pedido de patente

#3.1

03/25/1986

RPI 805

Pedido de patente depositado

#2.1

09/10/1985

RPI 777

Arquivamento - Art. 36 §1° da LPI

#11.2

06/01/1993

RPI 1174

Exigência - art. 36 da LPI

#6.1

11/17/1992

RPI 1146

Exigência - art. 36 da LPI

#6.1

03/10/1992

RPI 1110

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